An STI upsurge requires a nimble approach to care

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doi:doi: 10.12788/jfp.0641

Applied Evidence

An STI upsurge requires a nimble approach to care

J Fam Pract. 2023 July;72(6):E1-E12 | doi: 10.12788/jfp.0641

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References

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Vaccination against human papillomavirus is not universally recommended for women ages 27 to 45 years because most people have been exposed to HPV by that age.

Consider the community in which you practice when determining risk; you might want to consult local public health authorities for information about local epidemiology and guidance on determining which of your patients are at increased risk.

Preexposure prophylaxis

According to the CDC, all sexually active adults and adolescents should be informed about the availability of PrEP to prevent HIV infection. PrEP should be (1) available to anyone who requests it and (2) recommended for anyone who is sexually active and who practices sexual behaviors that place them at substantial risk for exposure to or acquisition of HIV, or both.

The recommended treatment protocol for men and women who have either an HIV-positive partner or inconsistent condom use or who have had a bacterial STI in the previous 6 months is oral emtricitabine 200 mg plus tenofovir disoproxil fumarate 300 mg/d (sold as Truvada-F/TDF). Men and transgender women (ie, assigned male at birth) with at-risk behaviors also can use emtricitabine plus tenofovir alafenamide 25 mg/d (sold as Descovy-F/TAF).

In addition, cabotegravir plus rilpirivine (sold as Cabenuva), IM every 2 months, was approved by the FDA for PrEP in 2021.

Pregnant women who have syphilis should be treated with penicillin immediately: Treatment ≥ 30 days prior to delivery is likely to prevent most cases of congenital syphilis.

Creatinine clearance should be assessed at baseline and yearly (every 6 months for those older than 50 years) in patients taking PrEP. All patients must be tested for HIV at initiation of treatment and every 3 months thereafter (every 4 months for cabotegravir plus rilpirivine). Patients should be screened for bacterial STIs every 6 months (every 3 months for MSM and transgender women); screening for chlamydia should be done yearly. For patients being treated with emtricitabine plus tenofovir alafenamide, weight and a lipid profile (cholesterol and triglycerides) should be assessed annually.⁵⁵

Postexposure prophylaxis

The sharp rise in the incidence of STIs in the past few years has brought renewed interest in postexposure prophylaxis (PEP) for STIs. Although PEP should be standard in cases of sexual assault, this protocol also can be considered in other instances of high-risk exposure.

CDC recommendations for PEP in cases of assault are⁵⁶:

ceftriaxone 500 mg IM in a single dose (1 g if weight is ≥ 150 kg) plus
doxycycline 100 mg bid for 7 days plus
metronidazole 2 g bid for 7 days (for vaginal exposure)
pregnancy evaluation and emergency contraception
hepatitis B risk evaluation and vaccination, with or without hepatitis B immune globulin
HIV risk evaluation, based on CDC guidelines, and possible HIV prophylaxis (PrEP)
HPV vaccination for patients ages 9 to 26 years if they are not already fully vaccinated.

CORRESPONDENCE
Belinda Vail, MD, 3901 Rainbow Boulevard, Mail Stop 4010, Kansas City, KS 66160; bvail@kumc.edu