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Acne before puberty: When to treat, when to worry

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Wed, 07/17/2019 - 13:04

 

Acne – which can appear anytime from the neonatal period to puberty – is most worrisome when it appears during the midchildhood years, from ages 1-7 years, according to Sheila Fallon Friedlander, MD.

Dr. Sheila Fallon Friedlander of Rady Children's Hospital San Diego
Dr. Sheila Fallon Friedlander

“This is something you are going to see in your practice,” said Dr. Friedlander, a pediatric dermatologists at Rady Children’s Hospital–San Diego. It’s important to know when it’s time to be concerned and when another condition may be masquerading as acne, she said at the at Skin Disease Education Foundation’s Women’s & Pediatric Dermatology Seminar.

Dr. Friedlander, who is professor of dermatology and pediatrics at the University of California, San Diego, talked about treating acne in the following prepubertal age groups:
 

Neonatal acne (ages birth to 4 weeks)

Acne appears in this population up to 20% of the time, according to research, and it is much more common in males than in females, at a ratio of five to one.

The cause is “most likely the relationship between placental androgens and the baby’s adrenal glands,” Dr. Friedlander said. However, something more serious could be going on. “Look at the child and see if he’s sick. If he looks sick, then we need to worry.”

Hormonal abnormalities also could be a cause, she said. Refer a baby to a specialist if there are other signs of hyperandrogenism. However, “the likelihood is very low,” and she’s never needed to refer a neonate with acne for evaluation.

As for treatment, she said, “Mainly, I’m using tincture of time.” However, “many of my mothers have told me that topical yogurt application will work.” Why yogurt? It’s possible that its bacteria could play a role in combating acne, she said.

Masquerader alert! Beware of neonatal cephalic pustulosis, Dr. Friedlander cautioned, which may be an inflammatory response to yeast. Ketoconazole cream may be helpful.
 

Infantile acne (ages 0-12 months)

This form of acne is more common in males and may hint at the future development of severe adolescent acne. It does resolve but it may take months or years, Dr. Friedlander said.

In general, this acne isn’t a sign of something more serious. “You do not need to go crazy with the work-up,” she said. “With mild to moderate disease, with nothing else suspicious, I don’t do a big work-up.”

However, do consider whether the child is undergoing precocious puberty, Dr. Friedlander said. Signs include axillary hair, pubic hair, and body odor.

As for treatment of infantile acne, “start out topically” and consider options such as Bactrim (sulfamethoxazole/trimethoprim) and erythromycin.

Masquerader alert! Idiopathic facial aseptic granuloma can be mistaken for acne and abscess, and ultrasound is helpful to confirm it. “It’s not so easy to treat,” she said. “Ivermectin may be helpful. Sometimes you do cultures and make sure something else isn’t going on.”
 

Midchildhood (ages 1-7 years)

“It’s not as common to have acne develop in this age group, but when it develops you need to be concerned,” Dr. Friedlander said. “This is the age period when there is more often something really wrong.”

 

 

Be on the lookout for a family history of hormonal abnormalities, and check if the child is on medication. “You need to look carefully,” she said, adding that it’s important to check for signs of premature puberty such as giant spikes in growth, abnormally large hands and feet, genital changes, and body odor. Check blood pressure if you’re worried about an adrenal tumor.

It’s possible for children to develop precocious puberty – with acne – because of exposure to testosterone gel used by a father. Dehydroepiandrosterone (DHEA) creams also may cause the condition. “The more creams out there with androgenic effects, the more we may see it,” Dr. Friedlander said. “This is something to ask about because families may not be forthcoming.”

Masquerader alert! Perioral dermatitis may look like acne, and it may be linked to inhaled or topical steroids, she said.

Other masqueraders include demodex folliculitis, angiofibromas (think tuberous sclerosis), and keratosis pilaris (the most common type of bump on a children aged 1-7 years). The latter condition “is not the end of the world,” said Dr. Friedlander, who added that “I’ve never cured anyone of it.”
 

Prepubertal acne (ages 7 years to puberty)

Acne in this group is generally not worrisome, Dr. Friedlander said, but investigate further if there’s significant inflammation and signs of early sexual development or virilization.

Benzoyl peroxide wash may be enough to help the condition initially, and consider topical clindamycin or a combination product. “Start out slow,” she said. Twice a week to start might be appropriate. Moisturizers can be helpful, as can topical adapalene.

Also, keep in mind that even mild acne can be emotionally devastating to a child in this age group and worthy of treatment. “Your assessment may be very different than hers,” she said. It’s possible that “she has a few lesions, but she feels like an outcast.”

Dr. Friedlander reported no relevant financial disclosures. SDEF and this news organization are owned by the same parent company.

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Acne – which can appear anytime from the neonatal period to puberty – is most worrisome when it appears during the midchildhood years, from ages 1-7 years, according to Sheila Fallon Friedlander, MD.

Dr. Sheila Fallon Friedlander of Rady Children's Hospital San Diego
Dr. Sheila Fallon Friedlander

“This is something you are going to see in your practice,” said Dr. Friedlander, a pediatric dermatologists at Rady Children’s Hospital–San Diego. It’s important to know when it’s time to be concerned and when another condition may be masquerading as acne, she said at the at Skin Disease Education Foundation’s Women’s & Pediatric Dermatology Seminar.

Dr. Friedlander, who is professor of dermatology and pediatrics at the University of California, San Diego, talked about treating acne in the following prepubertal age groups:
 

Neonatal acne (ages birth to 4 weeks)

Acne appears in this population up to 20% of the time, according to research, and it is much more common in males than in females, at a ratio of five to one.

The cause is “most likely the relationship between placental androgens and the baby’s adrenal glands,” Dr. Friedlander said. However, something more serious could be going on. “Look at the child and see if he’s sick. If he looks sick, then we need to worry.”

Hormonal abnormalities also could be a cause, she said. Refer a baby to a specialist if there are other signs of hyperandrogenism. However, “the likelihood is very low,” and she’s never needed to refer a neonate with acne for evaluation.

As for treatment, she said, “Mainly, I’m using tincture of time.” However, “many of my mothers have told me that topical yogurt application will work.” Why yogurt? It’s possible that its bacteria could play a role in combating acne, she said.

Masquerader alert! Beware of neonatal cephalic pustulosis, Dr. Friedlander cautioned, which may be an inflammatory response to yeast. Ketoconazole cream may be helpful.
 

Infantile acne (ages 0-12 months)

This form of acne is more common in males and may hint at the future development of severe adolescent acne. It does resolve but it may take months or years, Dr. Friedlander said.

In general, this acne isn’t a sign of something more serious. “You do not need to go crazy with the work-up,” she said. “With mild to moderate disease, with nothing else suspicious, I don’t do a big work-up.”

However, do consider whether the child is undergoing precocious puberty, Dr. Friedlander said. Signs include axillary hair, pubic hair, and body odor.

As for treatment of infantile acne, “start out topically” and consider options such as Bactrim (sulfamethoxazole/trimethoprim) and erythromycin.

Masquerader alert! Idiopathic facial aseptic granuloma can be mistaken for acne and abscess, and ultrasound is helpful to confirm it. “It’s not so easy to treat,” she said. “Ivermectin may be helpful. Sometimes you do cultures and make sure something else isn’t going on.”
 

Midchildhood (ages 1-7 years)

“It’s not as common to have acne develop in this age group, but when it develops you need to be concerned,” Dr. Friedlander said. “This is the age period when there is more often something really wrong.”

 

 

Be on the lookout for a family history of hormonal abnormalities, and check if the child is on medication. “You need to look carefully,” she said, adding that it’s important to check for signs of premature puberty such as giant spikes in growth, abnormally large hands and feet, genital changes, and body odor. Check blood pressure if you’re worried about an adrenal tumor.

It’s possible for children to develop precocious puberty – with acne – because of exposure to testosterone gel used by a father. Dehydroepiandrosterone (DHEA) creams also may cause the condition. “The more creams out there with androgenic effects, the more we may see it,” Dr. Friedlander said. “This is something to ask about because families may not be forthcoming.”

Masquerader alert! Perioral dermatitis may look like acne, and it may be linked to inhaled or topical steroids, she said.

Other masqueraders include demodex folliculitis, angiofibromas (think tuberous sclerosis), and keratosis pilaris (the most common type of bump on a children aged 1-7 years). The latter condition “is not the end of the world,” said Dr. Friedlander, who added that “I’ve never cured anyone of it.”
 

Prepubertal acne (ages 7 years to puberty)

Acne in this group is generally not worrisome, Dr. Friedlander said, but investigate further if there’s significant inflammation and signs of early sexual development or virilization.

Benzoyl peroxide wash may be enough to help the condition initially, and consider topical clindamycin or a combination product. “Start out slow,” she said. Twice a week to start might be appropriate. Moisturizers can be helpful, as can topical adapalene.

Also, keep in mind that even mild acne can be emotionally devastating to a child in this age group and worthy of treatment. “Your assessment may be very different than hers,” she said. It’s possible that “she has a few lesions, but she feels like an outcast.”

Dr. Friedlander reported no relevant financial disclosures. SDEF and this news organization are owned by the same parent company.

 

Acne – which can appear anytime from the neonatal period to puberty – is most worrisome when it appears during the midchildhood years, from ages 1-7 years, according to Sheila Fallon Friedlander, MD.

Dr. Sheila Fallon Friedlander of Rady Children's Hospital San Diego
Dr. Sheila Fallon Friedlander

“This is something you are going to see in your practice,” said Dr. Friedlander, a pediatric dermatologists at Rady Children’s Hospital–San Diego. It’s important to know when it’s time to be concerned and when another condition may be masquerading as acne, she said at the at Skin Disease Education Foundation’s Women’s & Pediatric Dermatology Seminar.

Dr. Friedlander, who is professor of dermatology and pediatrics at the University of California, San Diego, talked about treating acne in the following prepubertal age groups:
 

Neonatal acne (ages birth to 4 weeks)

Acne appears in this population up to 20% of the time, according to research, and it is much more common in males than in females, at a ratio of five to one.

The cause is “most likely the relationship between placental androgens and the baby’s adrenal glands,” Dr. Friedlander said. However, something more serious could be going on. “Look at the child and see if he’s sick. If he looks sick, then we need to worry.”

Hormonal abnormalities also could be a cause, she said. Refer a baby to a specialist if there are other signs of hyperandrogenism. However, “the likelihood is very low,” and she’s never needed to refer a neonate with acne for evaluation.

As for treatment, she said, “Mainly, I’m using tincture of time.” However, “many of my mothers have told me that topical yogurt application will work.” Why yogurt? It’s possible that its bacteria could play a role in combating acne, she said.

Masquerader alert! Beware of neonatal cephalic pustulosis, Dr. Friedlander cautioned, which may be an inflammatory response to yeast. Ketoconazole cream may be helpful.
 

Infantile acne (ages 0-12 months)

This form of acne is more common in males and may hint at the future development of severe adolescent acne. It does resolve but it may take months or years, Dr. Friedlander said.

In general, this acne isn’t a sign of something more serious. “You do not need to go crazy with the work-up,” she said. “With mild to moderate disease, with nothing else suspicious, I don’t do a big work-up.”

However, do consider whether the child is undergoing precocious puberty, Dr. Friedlander said. Signs include axillary hair, pubic hair, and body odor.

As for treatment of infantile acne, “start out topically” and consider options such as Bactrim (sulfamethoxazole/trimethoprim) and erythromycin.

Masquerader alert! Idiopathic facial aseptic granuloma can be mistaken for acne and abscess, and ultrasound is helpful to confirm it. “It’s not so easy to treat,” she said. “Ivermectin may be helpful. Sometimes you do cultures and make sure something else isn’t going on.”
 

Midchildhood (ages 1-7 years)

“It’s not as common to have acne develop in this age group, but when it develops you need to be concerned,” Dr. Friedlander said. “This is the age period when there is more often something really wrong.”

 

 

Be on the lookout for a family history of hormonal abnormalities, and check if the child is on medication. “You need to look carefully,” she said, adding that it’s important to check for signs of premature puberty such as giant spikes in growth, abnormally large hands and feet, genital changes, and body odor. Check blood pressure if you’re worried about an adrenal tumor.

It’s possible for children to develop precocious puberty – with acne – because of exposure to testosterone gel used by a father. Dehydroepiandrosterone (DHEA) creams also may cause the condition. “The more creams out there with androgenic effects, the more we may see it,” Dr. Friedlander said. “This is something to ask about because families may not be forthcoming.”

Masquerader alert! Perioral dermatitis may look like acne, and it may be linked to inhaled or topical steroids, she said.

Other masqueraders include demodex folliculitis, angiofibromas (think tuberous sclerosis), and keratosis pilaris (the most common type of bump on a children aged 1-7 years). The latter condition “is not the end of the world,” said Dr. Friedlander, who added that “I’ve never cured anyone of it.”
 

Prepubertal acne (ages 7 years to puberty)

Acne in this group is generally not worrisome, Dr. Friedlander said, but investigate further if there’s significant inflammation and signs of early sexual development or virilization.

Benzoyl peroxide wash may be enough to help the condition initially, and consider topical clindamycin or a combination product. “Start out slow,” she said. Twice a week to start might be appropriate. Moisturizers can be helpful, as can topical adapalene.

Also, keep in mind that even mild acne can be emotionally devastating to a child in this age group and worthy of treatment. “Your assessment may be very different than hers,” she said. It’s possible that “she has a few lesions, but she feels like an outcast.”

Dr. Friedlander reported no relevant financial disclosures. SDEF and this news organization are owned by the same parent company.

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Caution is key when pregnancy and psoriasis mix

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Tue, 07/16/2019 - 14:20

– Psoriasis often clears in pregnant women, giving them a rare break from the skin disease. But there still are plenty of reasons to pay close attention to psoriasis drugs in any women who is or could become pregnant.

Dr. Jashin J. Wu
Bruce Jancin/Frontline Medical News
Dr. Jashin J. Wu

Data from 2011 found 45% of pregnancies in U.S. women aged 15-44 years were unintended (N Engl J Med. 2016 Mar 3;374[9]:843-52), cautioned Jashin J. Wu, MD, of Dermatology Research and Education Foundation, Irvine, Calif.

In a presentation at the Skin Disease Education Foundation’s Women’s & Pediatric Dermatology Seminar, Dr. Wu offered these tips about pregnancy and psoriasis:

Counsel patients before pregnancy

There’s conflicting data about the risks of psoriasis in pregnancy, Dr. Wu said. One 23-year-old study suggests a link to adverse outcomes such as preterm and low-birth-weight babies. But another more recent study found no sign of increased risk (Int J Dermatol. 1996;35:169-72; J Am Acad Dermatol. 2011;64:71-7).

Counseling can include information about risks such as hospitalization during pregnancy because of undertreatment of psoriasis, he said. Discuss lowering medication doses to the lowest effective dose, he recommended, and talk about alternatives to systemic medications.

Make adjustments to timing as needed

In patients with severe cases, it may be appropriate to recommend that they postpone pregnancy until their psoriasis is under better control. As for treatment of psoriasis, “you may want to consider timing medication to end around the first trimester to get the medication out of them during the greatest risk period for the baby,” Dr. Wu said.

Adjust steroids as necessary

There are no “good” studies about the use of steroids in pregnant women with psoriasis, Dr. Wu said. “We can probably assume they are safe overall. Weaker steroids may have less risk,” and some of the stronger steroids may raise concerns.

Dr. Wu made these recommendations: Limit mild-potency topical corticosteroids to less than 100 g/week, potent topical corticosteroids to less than 50 g/week, and superpotent topical corticosteroids to less than 30 g/week.

Some topical drugs appear to be OK

Vitamin D analogues have not been well-studied in pregnancy, he said, but “we consider topical use to be fairly safe.”

There’s no data on calcineurin inhibitors in pregnancy, he said, but topical use is considered to be safe because there’s limited systemic absorption.

Beware of certain drugs in pregnancyTazarotene is considered to be dangerous in pregnancy, Dr. Wu said, and females of childbearing age who take it should use effective contraception, and have a recent negative pregnancy test (within 2 weeks before treatment begins). “In general, I’d probably not use this,” he said. “We have so many other options.”

Data about pregnancy safety for three topical drugs – coal tar, anthralin, and salicylic acid – is limited or nonexistent, Dr. Wu said, and he recommends against their use in pregnancy.

Phototherapy is OK in pregnancy

Phototherapy is considered safe because UVB doesn’t penetrate the superficial layer of the skin, he said. But phototherapy brings a potential risk of lowered folic acid levels, and he urges folic acid supplementation in women undergoing the treatment who are considering pregnancy or who are in the first trimester.

Avoid certain systemic drugs

Dr. Wu offered these recommendations:

 

 

  • Methotrexate: Do not take during pregnancy, or 3 months prior to conception.
  • Acitretin (Soriatane): Avoid all use in women who may become pregnant.
  • Cyclosporine: Be aware of reports of prematurity and low birth weight linked to the drug.
  • Apremilast (Otezla): Animal studies have shown a risk in pregnancy. Stop the drug at least 2 days before conception.

Avoid monoclonal antibodies

These drugs “result in therapeutic levels in the fetus, which is not a good thing,” Dr. Wu said. “You obviously don’t want to have monoclonal antibodies in the baby.”

Nix the PUVA

While one study found no link between psoralen plus UVA (PUVA) and birth defects (Arch Dermatol. 1993 Mar;129[3]:320-3), there’s still a theoretical risk, Dr. Wu said. He recommended that the treatment be avoided during pregnancy.

Watch for waxing and waning

Dr. Wu pointed to a small 2005 study that suggested that psoriasis activity declines during pregnancy. The study used different measures, finding that psoriasis improved by 30% (based on at least a 3% change in body surface area) or 55% (based on patient self-reporting). But it flares after pregnancy as reported by 65% of women surveyed; a body surface area analysis found that psoriasis worsened in 41% (Arch Dermatol. 2005 May;141[5]:601-6).

Dr. Wu reports various relationships (research, consultation and speaking) with 15 pharmaceutical companies. SDEF and this news organization are owned by the same parent company.

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– Psoriasis often clears in pregnant women, giving them a rare break from the skin disease. But there still are plenty of reasons to pay close attention to psoriasis drugs in any women who is or could become pregnant.

Dr. Jashin J. Wu
Bruce Jancin/Frontline Medical News
Dr. Jashin J. Wu

Data from 2011 found 45% of pregnancies in U.S. women aged 15-44 years were unintended (N Engl J Med. 2016 Mar 3;374[9]:843-52), cautioned Jashin J. Wu, MD, of Dermatology Research and Education Foundation, Irvine, Calif.

In a presentation at the Skin Disease Education Foundation’s Women’s & Pediatric Dermatology Seminar, Dr. Wu offered these tips about pregnancy and psoriasis:

Counsel patients before pregnancy

There’s conflicting data about the risks of psoriasis in pregnancy, Dr. Wu said. One 23-year-old study suggests a link to adverse outcomes such as preterm and low-birth-weight babies. But another more recent study found no sign of increased risk (Int J Dermatol. 1996;35:169-72; J Am Acad Dermatol. 2011;64:71-7).

Counseling can include information about risks such as hospitalization during pregnancy because of undertreatment of psoriasis, he said. Discuss lowering medication doses to the lowest effective dose, he recommended, and talk about alternatives to systemic medications.

Make adjustments to timing as needed

In patients with severe cases, it may be appropriate to recommend that they postpone pregnancy until their psoriasis is under better control. As for treatment of psoriasis, “you may want to consider timing medication to end around the first trimester to get the medication out of them during the greatest risk period for the baby,” Dr. Wu said.

Adjust steroids as necessary

There are no “good” studies about the use of steroids in pregnant women with psoriasis, Dr. Wu said. “We can probably assume they are safe overall. Weaker steroids may have less risk,” and some of the stronger steroids may raise concerns.

Dr. Wu made these recommendations: Limit mild-potency topical corticosteroids to less than 100 g/week, potent topical corticosteroids to less than 50 g/week, and superpotent topical corticosteroids to less than 30 g/week.

Some topical drugs appear to be OK

Vitamin D analogues have not been well-studied in pregnancy, he said, but “we consider topical use to be fairly safe.”

There’s no data on calcineurin inhibitors in pregnancy, he said, but topical use is considered to be safe because there’s limited systemic absorption.

Beware of certain drugs in pregnancyTazarotene is considered to be dangerous in pregnancy, Dr. Wu said, and females of childbearing age who take it should use effective contraception, and have a recent negative pregnancy test (within 2 weeks before treatment begins). “In general, I’d probably not use this,” he said. “We have so many other options.”

Data about pregnancy safety for three topical drugs – coal tar, anthralin, and salicylic acid – is limited or nonexistent, Dr. Wu said, and he recommends against their use in pregnancy.

Phototherapy is OK in pregnancy

Phototherapy is considered safe because UVB doesn’t penetrate the superficial layer of the skin, he said. But phototherapy brings a potential risk of lowered folic acid levels, and he urges folic acid supplementation in women undergoing the treatment who are considering pregnancy or who are in the first trimester.

Avoid certain systemic drugs

Dr. Wu offered these recommendations:

 

 

  • Methotrexate: Do not take during pregnancy, or 3 months prior to conception.
  • Acitretin (Soriatane): Avoid all use in women who may become pregnant.
  • Cyclosporine: Be aware of reports of prematurity and low birth weight linked to the drug.
  • Apremilast (Otezla): Animal studies have shown a risk in pregnancy. Stop the drug at least 2 days before conception.

Avoid monoclonal antibodies

These drugs “result in therapeutic levels in the fetus, which is not a good thing,” Dr. Wu said. “You obviously don’t want to have monoclonal antibodies in the baby.”

Nix the PUVA

While one study found no link between psoralen plus UVA (PUVA) and birth defects (Arch Dermatol. 1993 Mar;129[3]:320-3), there’s still a theoretical risk, Dr. Wu said. He recommended that the treatment be avoided during pregnancy.

Watch for waxing and waning

Dr. Wu pointed to a small 2005 study that suggested that psoriasis activity declines during pregnancy. The study used different measures, finding that psoriasis improved by 30% (based on at least a 3% change in body surface area) or 55% (based on patient self-reporting). But it flares after pregnancy as reported by 65% of women surveyed; a body surface area analysis found that psoriasis worsened in 41% (Arch Dermatol. 2005 May;141[5]:601-6).

Dr. Wu reports various relationships (research, consultation and speaking) with 15 pharmaceutical companies. SDEF and this news organization are owned by the same parent company.

– Psoriasis often clears in pregnant women, giving them a rare break from the skin disease. But there still are plenty of reasons to pay close attention to psoriasis drugs in any women who is or could become pregnant.

Dr. Jashin J. Wu
Bruce Jancin/Frontline Medical News
Dr. Jashin J. Wu

Data from 2011 found 45% of pregnancies in U.S. women aged 15-44 years were unintended (N Engl J Med. 2016 Mar 3;374[9]:843-52), cautioned Jashin J. Wu, MD, of Dermatology Research and Education Foundation, Irvine, Calif.

In a presentation at the Skin Disease Education Foundation’s Women’s & Pediatric Dermatology Seminar, Dr. Wu offered these tips about pregnancy and psoriasis:

Counsel patients before pregnancy

There’s conflicting data about the risks of psoriasis in pregnancy, Dr. Wu said. One 23-year-old study suggests a link to adverse outcomes such as preterm and low-birth-weight babies. But another more recent study found no sign of increased risk (Int J Dermatol. 1996;35:169-72; J Am Acad Dermatol. 2011;64:71-7).

Counseling can include information about risks such as hospitalization during pregnancy because of undertreatment of psoriasis, he said. Discuss lowering medication doses to the lowest effective dose, he recommended, and talk about alternatives to systemic medications.

Make adjustments to timing as needed

In patients with severe cases, it may be appropriate to recommend that they postpone pregnancy until their psoriasis is under better control. As for treatment of psoriasis, “you may want to consider timing medication to end around the first trimester to get the medication out of them during the greatest risk period for the baby,” Dr. Wu said.

Adjust steroids as necessary

There are no “good” studies about the use of steroids in pregnant women with psoriasis, Dr. Wu said. “We can probably assume they are safe overall. Weaker steroids may have less risk,” and some of the stronger steroids may raise concerns.

Dr. Wu made these recommendations: Limit mild-potency topical corticosteroids to less than 100 g/week, potent topical corticosteroids to less than 50 g/week, and superpotent topical corticosteroids to less than 30 g/week.

Some topical drugs appear to be OK

Vitamin D analogues have not been well-studied in pregnancy, he said, but “we consider topical use to be fairly safe.”

There’s no data on calcineurin inhibitors in pregnancy, he said, but topical use is considered to be safe because there’s limited systemic absorption.

Beware of certain drugs in pregnancyTazarotene is considered to be dangerous in pregnancy, Dr. Wu said, and females of childbearing age who take it should use effective contraception, and have a recent negative pregnancy test (within 2 weeks before treatment begins). “In general, I’d probably not use this,” he said. “We have so many other options.”

Data about pregnancy safety for three topical drugs – coal tar, anthralin, and salicylic acid – is limited or nonexistent, Dr. Wu said, and he recommends against their use in pregnancy.

Phototherapy is OK in pregnancy

Phototherapy is considered safe because UVB doesn’t penetrate the superficial layer of the skin, he said. But phototherapy brings a potential risk of lowered folic acid levels, and he urges folic acid supplementation in women undergoing the treatment who are considering pregnancy or who are in the first trimester.

Avoid certain systemic drugs

Dr. Wu offered these recommendations:

 

 

  • Methotrexate: Do not take during pregnancy, or 3 months prior to conception.
  • Acitretin (Soriatane): Avoid all use in women who may become pregnant.
  • Cyclosporine: Be aware of reports of prematurity and low birth weight linked to the drug.
  • Apremilast (Otezla): Animal studies have shown a risk in pregnancy. Stop the drug at least 2 days before conception.

Avoid monoclonal antibodies

These drugs “result in therapeutic levels in the fetus, which is not a good thing,” Dr. Wu said. “You obviously don’t want to have monoclonal antibodies in the baby.”

Nix the PUVA

While one study found no link between psoralen plus UVA (PUVA) and birth defects (Arch Dermatol. 1993 Mar;129[3]:320-3), there’s still a theoretical risk, Dr. Wu said. He recommended that the treatment be avoided during pregnancy.

Watch for waxing and waning

Dr. Wu pointed to a small 2005 study that suggested that psoriasis activity declines during pregnancy. The study used different measures, finding that psoriasis improved by 30% (based on at least a 3% change in body surface area) or 55% (based on patient self-reporting). But it flares after pregnancy as reported by 65% of women surveyed; a body surface area analysis found that psoriasis worsened in 41% (Arch Dermatol. 2005 May;141[5]:601-6).

Dr. Wu reports various relationships (research, consultation and speaking) with 15 pharmaceutical companies. SDEF and this news organization are owned by the same parent company.

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Polyester. Plywood. Pizza. Skin allergens lurk in unusual places

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Wed, 07/10/2019 - 09:03

What can set off an allergic skin reaction? Some unusual suspects are wrinkle-free clothing, spinach salads, plywood, tires, and Italian food, according to dermatologist Jennifer H. Perryman, MD.

Here’s a closer look at the allergens highlighted by Dr. Perryman in a presentation at Skin Disease Education Foundation’s Women’s & Pediatric Dermatology Seminar:

Formaldehyde: It’s everywhere

“In general, formaldehyde is found on everyone in this room in two different places: preservatives in skin care products and in a lot of our clothing,” said Dr. Perryman, who practices in Greeley and Fort Collins, Colo.

The preservative is used in an even wider variety of products, including fluids used in industry (such as metalworking) and topical medications. But people are especially likely to encounter it in clothing – via formaldehyde textile resins – as well as in cosmetics, soaps, and lotions.

On the clothing front, Dr. Perryman said, formaldehyde textile resins have been used since the 1930s. They’re used to treat blends of synthetic and cotton fibers and bed sheets. Beware of “wrinkle resistant” and “permanent press” clothing (although not all have been treated with this resin). “Newer formaldehyde textile resins have less formaldehyde release, but they may be more expensive, and some industries may not use them,” she said.


Avoiding formaldehyde textile resins isn’t a simple matter.” You have to go out of your way to stay away from a polyester-cotton blend,” she said. “And don’t forget bedsheets,” she added, noting that the packaging on some sheets include information about cotton count, “but when you flip over the label it says it’s ‘50% cotton and 50% polyester or other.’ ”

Some patients will bring their own bedsheets to hotels so they don’t experience flares from hotel bedsheets, she added.

Other products can trigger this skin allergy. Beware, Dr. Perryman said, of formaldehyde exposure from paper, cardboard, cigarette smoke, processed wood products like plywood, foam housing and industrial insulation, embalming fluid and tissue fixatives, and some paints and adhesives.

What are the signs that someone may have a case of formaldehyde allergy? It may cause patchy generalized dermatitis, erythroderma, and nummular dermatitis. It may spare the hands, feet, and face because those parts of the body have less exposure to clothing, and it’s likely to especially affect body areas where clothing is tight. And for unknown reasons, this allergy is more common in the elderly, Dr. Perryman said.

Textile dye: Beware polyester

This allergy is mainly triggered by synthetic fabrics like polyester, rayon, and acetate, she noted. Darker colors are more allergenic. Clothes made of natural fibers such as cotton, silk, linen, and wool are alternatives. These are not dyed with these dyes, she said, adding that a reaction to wool will be from irritation, not from the dye.

Paraphenylenediamine: Keep an eye out for this dye ingredient

Paraphenylenediamine, which can trigger allergic reactions, is found in leather dye, fur dye, and some (but not all) hair dyes. Be aware that it can cross-react with other allergens like sulfonamide medications.

 

 

If a patch test turns up a reaction to “Black-Rubber Mix,” which includes paraphenylenediamine, consider whether the patient has exposure to the rubber in tires. Car mechanics may be affected by this allergy, Dr. Perryman said.

Neomycin: A drop of trouble

Allergy to the antibiotic neomycin can be triggered by exposure to gentamicin and tobramycin eye drops. Patients may believe they have an infection, Dr. Perryman said, so consider getting a culture. In some cases, an allergic reaction to neomycin may be incorrectly diagnosed as cellulitis.

Nickel: Not just a jewelry hazard

Jewelry and coins can trigger nickel allergies, but be aware that systemic nickel allergy can also trigger skin problems from a patient’s diet. It may be necessary to put patients on a low-nickel diet that avoids foods such as healthy grains, greens (especially spinach), nuts, legumes, and chocolate. “I always feel bad” putting patients on a restrictive diet, Dr. Perryman said, but it can be helpful to take 500 mg of vitamin C three times a day since it binds to nickel.

Cobalt: Watch the chocolate and coffee

Jewelry with cobalt can cause an allergic reaction. Dr. Perryman tells patients to buy an inexpensive “spot test” product online that detects whether jewelry has nickel or cobalt. Cobalt allergy can also trigger symptoms in patients exposed to “hard metal” industrial tools, cement, and masonry. Workers in the plastics and dye industries may be exposed too.

Like nickel, Dr. Perryman said, systemic cobalt allergy related to diet is also possible. The list of foods that contain higher levels of cobalt is long, and includes apricots, beans, beer, chocolate, coffee, nuts, tea, and whole-grain flour.

Dr. Perryman also mentioned several other allergens to keep in mind:

  • Chromate can trigger reactions in people who wear leather shoes (the metal can be used in tanning). It can also cause problems in workers exposed to it via cement, bricks, drywall, and metal plating.
  • Chromium picolinate, an over-the-counter supplement, can cause systemic dermatitis.
  • Gold in jewelry can trigger an allergic reaction. Talk to patients about replating their jewelry, Dr. Perryman said.
  • Rubber can trigger reactions due to exposure to rubber bands, makeup sponges, and rubber gloves (even nitrile ones). Be aware that both rubber and latex allergies may coexist and consider a blood test for latex allergy.
  • Systemic balsam allergy related to an individual’s diet is possible. Tomato is an especially big villain on this front, along with citrus fruits, spices, cola, chili, and chocolate.

Dr. Perryman disclosed consulting work for IntraDerm. SDEF and this news organization are owned by the same parent company.

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What can set off an allergic skin reaction? Some unusual suspects are wrinkle-free clothing, spinach salads, plywood, tires, and Italian food, according to dermatologist Jennifer H. Perryman, MD.

Here’s a closer look at the allergens highlighted by Dr. Perryman in a presentation at Skin Disease Education Foundation’s Women’s & Pediatric Dermatology Seminar:

Formaldehyde: It’s everywhere

“In general, formaldehyde is found on everyone in this room in two different places: preservatives in skin care products and in a lot of our clothing,” said Dr. Perryman, who practices in Greeley and Fort Collins, Colo.

The preservative is used in an even wider variety of products, including fluids used in industry (such as metalworking) and topical medications. But people are especially likely to encounter it in clothing – via formaldehyde textile resins – as well as in cosmetics, soaps, and lotions.

On the clothing front, Dr. Perryman said, formaldehyde textile resins have been used since the 1930s. They’re used to treat blends of synthetic and cotton fibers and bed sheets. Beware of “wrinkle resistant” and “permanent press” clothing (although not all have been treated with this resin). “Newer formaldehyde textile resins have less formaldehyde release, but they may be more expensive, and some industries may not use them,” she said.


Avoiding formaldehyde textile resins isn’t a simple matter.” You have to go out of your way to stay away from a polyester-cotton blend,” she said. “And don’t forget bedsheets,” she added, noting that the packaging on some sheets include information about cotton count, “but when you flip over the label it says it’s ‘50% cotton and 50% polyester or other.’ ”

Some patients will bring their own bedsheets to hotels so they don’t experience flares from hotel bedsheets, she added.

Other products can trigger this skin allergy. Beware, Dr. Perryman said, of formaldehyde exposure from paper, cardboard, cigarette smoke, processed wood products like plywood, foam housing and industrial insulation, embalming fluid and tissue fixatives, and some paints and adhesives.

What are the signs that someone may have a case of formaldehyde allergy? It may cause patchy generalized dermatitis, erythroderma, and nummular dermatitis. It may spare the hands, feet, and face because those parts of the body have less exposure to clothing, and it’s likely to especially affect body areas where clothing is tight. And for unknown reasons, this allergy is more common in the elderly, Dr. Perryman said.

Textile dye: Beware polyester

This allergy is mainly triggered by synthetic fabrics like polyester, rayon, and acetate, she noted. Darker colors are more allergenic. Clothes made of natural fibers such as cotton, silk, linen, and wool are alternatives. These are not dyed with these dyes, she said, adding that a reaction to wool will be from irritation, not from the dye.

Paraphenylenediamine: Keep an eye out for this dye ingredient

Paraphenylenediamine, which can trigger allergic reactions, is found in leather dye, fur dye, and some (but not all) hair dyes. Be aware that it can cross-react with other allergens like sulfonamide medications.

 

 

If a patch test turns up a reaction to “Black-Rubber Mix,” which includes paraphenylenediamine, consider whether the patient has exposure to the rubber in tires. Car mechanics may be affected by this allergy, Dr. Perryman said.

Neomycin: A drop of trouble

Allergy to the antibiotic neomycin can be triggered by exposure to gentamicin and tobramycin eye drops. Patients may believe they have an infection, Dr. Perryman said, so consider getting a culture. In some cases, an allergic reaction to neomycin may be incorrectly diagnosed as cellulitis.

Nickel: Not just a jewelry hazard

Jewelry and coins can trigger nickel allergies, but be aware that systemic nickel allergy can also trigger skin problems from a patient’s diet. It may be necessary to put patients on a low-nickel diet that avoids foods such as healthy grains, greens (especially spinach), nuts, legumes, and chocolate. “I always feel bad” putting patients on a restrictive diet, Dr. Perryman said, but it can be helpful to take 500 mg of vitamin C three times a day since it binds to nickel.

Cobalt: Watch the chocolate and coffee

Jewelry with cobalt can cause an allergic reaction. Dr. Perryman tells patients to buy an inexpensive “spot test” product online that detects whether jewelry has nickel or cobalt. Cobalt allergy can also trigger symptoms in patients exposed to “hard metal” industrial tools, cement, and masonry. Workers in the plastics and dye industries may be exposed too.

Like nickel, Dr. Perryman said, systemic cobalt allergy related to diet is also possible. The list of foods that contain higher levels of cobalt is long, and includes apricots, beans, beer, chocolate, coffee, nuts, tea, and whole-grain flour.

Dr. Perryman also mentioned several other allergens to keep in mind:

  • Chromate can trigger reactions in people who wear leather shoes (the metal can be used in tanning). It can also cause problems in workers exposed to it via cement, bricks, drywall, and metal plating.
  • Chromium picolinate, an over-the-counter supplement, can cause systemic dermatitis.
  • Gold in jewelry can trigger an allergic reaction. Talk to patients about replating their jewelry, Dr. Perryman said.
  • Rubber can trigger reactions due to exposure to rubber bands, makeup sponges, and rubber gloves (even nitrile ones). Be aware that both rubber and latex allergies may coexist and consider a blood test for latex allergy.
  • Systemic balsam allergy related to an individual’s diet is possible. Tomato is an especially big villain on this front, along with citrus fruits, spices, cola, chili, and chocolate.

Dr. Perryman disclosed consulting work for IntraDerm. SDEF and this news organization are owned by the same parent company.

What can set off an allergic skin reaction? Some unusual suspects are wrinkle-free clothing, spinach salads, plywood, tires, and Italian food, according to dermatologist Jennifer H. Perryman, MD.

Here’s a closer look at the allergens highlighted by Dr. Perryman in a presentation at Skin Disease Education Foundation’s Women’s & Pediatric Dermatology Seminar:

Formaldehyde: It’s everywhere

“In general, formaldehyde is found on everyone in this room in two different places: preservatives in skin care products and in a lot of our clothing,” said Dr. Perryman, who practices in Greeley and Fort Collins, Colo.

The preservative is used in an even wider variety of products, including fluids used in industry (such as metalworking) and topical medications. But people are especially likely to encounter it in clothing – via formaldehyde textile resins – as well as in cosmetics, soaps, and lotions.

On the clothing front, Dr. Perryman said, formaldehyde textile resins have been used since the 1930s. They’re used to treat blends of synthetic and cotton fibers and bed sheets. Beware of “wrinkle resistant” and “permanent press” clothing (although not all have been treated with this resin). “Newer formaldehyde textile resins have less formaldehyde release, but they may be more expensive, and some industries may not use them,” she said.


Avoiding formaldehyde textile resins isn’t a simple matter.” You have to go out of your way to stay away from a polyester-cotton blend,” she said. “And don’t forget bedsheets,” she added, noting that the packaging on some sheets include information about cotton count, “but when you flip over the label it says it’s ‘50% cotton and 50% polyester or other.’ ”

Some patients will bring their own bedsheets to hotels so they don’t experience flares from hotel bedsheets, she added.

Other products can trigger this skin allergy. Beware, Dr. Perryman said, of formaldehyde exposure from paper, cardboard, cigarette smoke, processed wood products like plywood, foam housing and industrial insulation, embalming fluid and tissue fixatives, and some paints and adhesives.

What are the signs that someone may have a case of formaldehyde allergy? It may cause patchy generalized dermatitis, erythroderma, and nummular dermatitis. It may spare the hands, feet, and face because those parts of the body have less exposure to clothing, and it’s likely to especially affect body areas where clothing is tight. And for unknown reasons, this allergy is more common in the elderly, Dr. Perryman said.

Textile dye: Beware polyester

This allergy is mainly triggered by synthetic fabrics like polyester, rayon, and acetate, she noted. Darker colors are more allergenic. Clothes made of natural fibers such as cotton, silk, linen, and wool are alternatives. These are not dyed with these dyes, she said, adding that a reaction to wool will be from irritation, not from the dye.

Paraphenylenediamine: Keep an eye out for this dye ingredient

Paraphenylenediamine, which can trigger allergic reactions, is found in leather dye, fur dye, and some (but not all) hair dyes. Be aware that it can cross-react with other allergens like sulfonamide medications.

 

 

If a patch test turns up a reaction to “Black-Rubber Mix,” which includes paraphenylenediamine, consider whether the patient has exposure to the rubber in tires. Car mechanics may be affected by this allergy, Dr. Perryman said.

Neomycin: A drop of trouble

Allergy to the antibiotic neomycin can be triggered by exposure to gentamicin and tobramycin eye drops. Patients may believe they have an infection, Dr. Perryman said, so consider getting a culture. In some cases, an allergic reaction to neomycin may be incorrectly diagnosed as cellulitis.

Nickel: Not just a jewelry hazard

Jewelry and coins can trigger nickel allergies, but be aware that systemic nickel allergy can also trigger skin problems from a patient’s diet. It may be necessary to put patients on a low-nickel diet that avoids foods such as healthy grains, greens (especially spinach), nuts, legumes, and chocolate. “I always feel bad” putting patients on a restrictive diet, Dr. Perryman said, but it can be helpful to take 500 mg of vitamin C three times a day since it binds to nickel.

Cobalt: Watch the chocolate and coffee

Jewelry with cobalt can cause an allergic reaction. Dr. Perryman tells patients to buy an inexpensive “spot test” product online that detects whether jewelry has nickel or cobalt. Cobalt allergy can also trigger symptoms in patients exposed to “hard metal” industrial tools, cement, and masonry. Workers in the plastics and dye industries may be exposed too.

Like nickel, Dr. Perryman said, systemic cobalt allergy related to diet is also possible. The list of foods that contain higher levels of cobalt is long, and includes apricots, beans, beer, chocolate, coffee, nuts, tea, and whole-grain flour.

Dr. Perryman also mentioned several other allergens to keep in mind:

  • Chromate can trigger reactions in people who wear leather shoes (the metal can be used in tanning). It can also cause problems in workers exposed to it via cement, bricks, drywall, and metal plating.
  • Chromium picolinate, an over-the-counter supplement, can cause systemic dermatitis.
  • Gold in jewelry can trigger an allergic reaction. Talk to patients about replating their jewelry, Dr. Perryman said.
  • Rubber can trigger reactions due to exposure to rubber bands, makeup sponges, and rubber gloves (even nitrile ones). Be aware that both rubber and latex allergies may coexist and consider a blood test for latex allergy.
  • Systemic balsam allergy related to an individual’s diet is possible. Tomato is an especially big villain on this front, along with citrus fruits, spices, cola, chili, and chocolate.

Dr. Perryman disclosed consulting work for IntraDerm. SDEF and this news organization are owned by the same parent company.

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Acne in women: What new insights tell us

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– When it comes to acne in adult women, look past the jawline, beyond traditional medications, and toward greater control. That’s the message of a dermatologist who spoke at Skin Disease Education Foundation’s Women’s & Pediatric Dermatology Seminar.

Dr. Linda Stein Gold
Dr. Linda F. Stein Gold

“We should be aiming to get our patients to clear or almost clear, and we have the tools necessary to help that happen,” said Linda Stein Gold, MD, director of dermatology research at Henry Ford Hospital in Detroit.

Research suggests that acne is more common in adult women than in men, a gap that widens after age 29 years, she noted. Acne appears to affect 51% of women aged 20-29 years, she said, and prevalence dips to 15% in women older than 50 years.

About 80% of cases continue from adolescence, compared with about 20% that are new-onset during adulthood, she said. According to studies, she added, “most adult women have acne on multiple different areas of their face, not just the jawline. It’s similar to what we see in the adolescent population.”

Dr. Stein Gold offered these tips about treatment in this group of patients:
 

Inflammation

Researchers now consider that “all acne is inflammatory acne.” Be aggressive with anti-inflammatory treatment, and “continue even after the lesion is resolved” if needed to prevent scarring.

Oral contraceptives (OCs)

OCs can be helpful, but “we have to proceed with caution,” she said. A 2012 Cochrane Library review of 31 trials found that six combination OCs (COCs) “evaluated in placebo-controlled trials are effective in reducing inflammatory and noninflammatory facial acne lesions. Few important and consistent differences were found between COC types in their effectiveness for treating acne,” the review concluded (Cochrane Database Syst Rev. 2012 Jul 11;[7]:CD004425).

Results take time, however, and it “can take 3 months to see an effect, and 6 months for full effect,” Dr. Stein Gold noted.

There are multiple contraindications to the use of OCs, and they’ve been linked – controversially – to an increased risk of blood clots and breast cancer. However, risk of thrombosis also spikes – to significantly higher levels than with OC use – during pregnancy and the postpartum period, she said.
 

Spironolactone

This antihypertensive drug can be helpful, Dr. Stein Gold noted, although the one study in a 2009 Cochrane review that had acne as an outcome failed to find evidence of efficacy versus placebo (Cochrane Database Syst Rev. 2009 Apr 15;[2]:CD000194). Be aware of the boxed warning about links to cancer in rat studies, and consider the risk of potassium elevation in certain populations, she added. Watch the dose: fewer side effects are seen at 50-100 mg daily, although they’re still common, and it can take 3 months or more for improvements to appear, she said.

Truncal acne

Patients may be hesitant to mention they have acne on their chest and back. “They may not tell you about it, and you may not ask about it but [some patients] expect you to know about it and treat it,” Dr. Stein Gold said. She referred to trifarotene, a topical retinoid cream that, although not yet approved, appears to be safe and effective in treating acne on the face and trunk in phase 3 studies.

“Some people will say the trunk will get too irritated if you put a retinoid on it. But it absolutely can be used on the chest and back. The first thing I say to my patients is to expect to have redness and scaling for first 2 weeks. People pay money for that. It’s a chemical peel! It’s okay to have some sloughing; use an oil-free moisturizer.”

Dr. Stein Gold disclosed relationships with Galderma, Foamix, and Sol Gel (investigator, consultant); Valeant (consultant, speaker); and Dermira (investigator, speaker).

SDEF and this news organization are owned by the same parent company.

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– When it comes to acne in adult women, look past the jawline, beyond traditional medications, and toward greater control. That’s the message of a dermatologist who spoke at Skin Disease Education Foundation’s Women’s & Pediatric Dermatology Seminar.

Dr. Linda Stein Gold
Dr. Linda F. Stein Gold

“We should be aiming to get our patients to clear or almost clear, and we have the tools necessary to help that happen,” said Linda Stein Gold, MD, director of dermatology research at Henry Ford Hospital in Detroit.

Research suggests that acne is more common in adult women than in men, a gap that widens after age 29 years, she noted. Acne appears to affect 51% of women aged 20-29 years, she said, and prevalence dips to 15% in women older than 50 years.

About 80% of cases continue from adolescence, compared with about 20% that are new-onset during adulthood, she said. According to studies, she added, “most adult women have acne on multiple different areas of their face, not just the jawline. It’s similar to what we see in the adolescent population.”

Dr. Stein Gold offered these tips about treatment in this group of patients:
 

Inflammation

Researchers now consider that “all acne is inflammatory acne.” Be aggressive with anti-inflammatory treatment, and “continue even after the lesion is resolved” if needed to prevent scarring.

Oral contraceptives (OCs)

OCs can be helpful, but “we have to proceed with caution,” she said. A 2012 Cochrane Library review of 31 trials found that six combination OCs (COCs) “evaluated in placebo-controlled trials are effective in reducing inflammatory and noninflammatory facial acne lesions. Few important and consistent differences were found between COC types in their effectiveness for treating acne,” the review concluded (Cochrane Database Syst Rev. 2012 Jul 11;[7]:CD004425).

Results take time, however, and it “can take 3 months to see an effect, and 6 months for full effect,” Dr. Stein Gold noted.

There are multiple contraindications to the use of OCs, and they’ve been linked – controversially – to an increased risk of blood clots and breast cancer. However, risk of thrombosis also spikes – to significantly higher levels than with OC use – during pregnancy and the postpartum period, she said.
 

Spironolactone

This antihypertensive drug can be helpful, Dr. Stein Gold noted, although the one study in a 2009 Cochrane review that had acne as an outcome failed to find evidence of efficacy versus placebo (Cochrane Database Syst Rev. 2009 Apr 15;[2]:CD000194). Be aware of the boxed warning about links to cancer in rat studies, and consider the risk of potassium elevation in certain populations, she added. Watch the dose: fewer side effects are seen at 50-100 mg daily, although they’re still common, and it can take 3 months or more for improvements to appear, she said.

Truncal acne

Patients may be hesitant to mention they have acne on their chest and back. “They may not tell you about it, and you may not ask about it but [some patients] expect you to know about it and treat it,” Dr. Stein Gold said. She referred to trifarotene, a topical retinoid cream that, although not yet approved, appears to be safe and effective in treating acne on the face and trunk in phase 3 studies.

“Some people will say the trunk will get too irritated if you put a retinoid on it. But it absolutely can be used on the chest and back. The first thing I say to my patients is to expect to have redness and scaling for first 2 weeks. People pay money for that. It’s a chemical peel! It’s okay to have some sloughing; use an oil-free moisturizer.”

Dr. Stein Gold disclosed relationships with Galderma, Foamix, and Sol Gel (investigator, consultant); Valeant (consultant, speaker); and Dermira (investigator, speaker).

SDEF and this news organization are owned by the same parent company.

– When it comes to acne in adult women, look past the jawline, beyond traditional medications, and toward greater control. That’s the message of a dermatologist who spoke at Skin Disease Education Foundation’s Women’s & Pediatric Dermatology Seminar.

Dr. Linda Stein Gold
Dr. Linda F. Stein Gold

“We should be aiming to get our patients to clear or almost clear, and we have the tools necessary to help that happen,” said Linda Stein Gold, MD, director of dermatology research at Henry Ford Hospital in Detroit.

Research suggests that acne is more common in adult women than in men, a gap that widens after age 29 years, she noted. Acne appears to affect 51% of women aged 20-29 years, she said, and prevalence dips to 15% in women older than 50 years.

About 80% of cases continue from adolescence, compared with about 20% that are new-onset during adulthood, she said. According to studies, she added, “most adult women have acne on multiple different areas of their face, not just the jawline. It’s similar to what we see in the adolescent population.”

Dr. Stein Gold offered these tips about treatment in this group of patients:
 

Inflammation

Researchers now consider that “all acne is inflammatory acne.” Be aggressive with anti-inflammatory treatment, and “continue even after the lesion is resolved” if needed to prevent scarring.

Oral contraceptives (OCs)

OCs can be helpful, but “we have to proceed with caution,” she said. A 2012 Cochrane Library review of 31 trials found that six combination OCs (COCs) “evaluated in placebo-controlled trials are effective in reducing inflammatory and noninflammatory facial acne lesions. Few important and consistent differences were found between COC types in their effectiveness for treating acne,” the review concluded (Cochrane Database Syst Rev. 2012 Jul 11;[7]:CD004425).

Results take time, however, and it “can take 3 months to see an effect, and 6 months for full effect,” Dr. Stein Gold noted.

There are multiple contraindications to the use of OCs, and they’ve been linked – controversially – to an increased risk of blood clots and breast cancer. However, risk of thrombosis also spikes – to significantly higher levels than with OC use – during pregnancy and the postpartum period, she said.
 

Spironolactone

This antihypertensive drug can be helpful, Dr. Stein Gold noted, although the one study in a 2009 Cochrane review that had acne as an outcome failed to find evidence of efficacy versus placebo (Cochrane Database Syst Rev. 2009 Apr 15;[2]:CD000194). Be aware of the boxed warning about links to cancer in rat studies, and consider the risk of potassium elevation in certain populations, she added. Watch the dose: fewer side effects are seen at 50-100 mg daily, although they’re still common, and it can take 3 months or more for improvements to appear, she said.

Truncal acne

Patients may be hesitant to mention they have acne on their chest and back. “They may not tell you about it, and you may not ask about it but [some patients] expect you to know about it and treat it,” Dr. Stein Gold said. She referred to trifarotene, a topical retinoid cream that, although not yet approved, appears to be safe and effective in treating acne on the face and trunk in phase 3 studies.

“Some people will say the trunk will get too irritated if you put a retinoid on it. But it absolutely can be used on the chest and back. The first thing I say to my patients is to expect to have redness and scaling for first 2 weeks. People pay money for that. It’s a chemical peel! It’s okay to have some sloughing; use an oil-free moisturizer.”

Dr. Stein Gold disclosed relationships with Galderma, Foamix, and Sol Gel (investigator, consultant); Valeant (consultant, speaker); and Dermira (investigator, speaker).

SDEF and this news organization are owned by the same parent company.

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EXPERT ANALYSIS FROM SDEF WOMEN’S & PEDIATRIC DERMATOLOGY SEMINAR

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