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What’s Eating You? Ixodes Tick and Related Diseases, Part 3: Coinfection and Tick-Bite Prevention
Author(s)
Kelsey D. Wilson, MD
Dirk Elston, MD

Tick-borne diseases are increasing in prevalence, likely due to climate change in combination with human movement into tick habitats.1-3 The Ixodes genus of hard ticks is a common vector for the transmission of pathogenic viruses, bacteria, parasites, and toxins. Among these, Lyme disease, which is caused by Borrelia burgdorferi, is the most prevalent, followed by babesiosis and human granulocytic anaplasmosis (HGA), respectively.4 In Europe, tick-borne encephalitis is commonly encountered. More recently identified diseases transmitted by Ixodes ticks include Powassan virus and Borrelia miyamotoi infection; however, these diseases are less frequently encountered than other tick-borne diseases.5,6

As tick-borne diseases become more prevalent, the likelihood of coinfection with more than one Ixodes-transmitted pathogen is increasing.7 Therefore, it is important for physicians who practice in endemic areas to be aware of the possibility of coinfection, which can alter clinical presentation, disease severity, and treatment response in tick-borne diseases. Additionally, public education on tick-bite prevention and prompt tick removal is necessary to combat the rising prevalence of these diseases.

Coinfection

Risk of coinfection with more than one tick-borne disease is contingent on the geographic distribution of the tick species as well as the particular pathogen’s prevalence within reservoir hosts in a given area (Figure). Most coinfections occur with B. burgdorferi and an additional pathogen, usually Anaplasma phagocytophilum (which causes human granulocytic anaplasmosis [HGA]) or Babesia microti (which causes babesiosis). In Europe, coinfection with tick-borne encephalitis virus may occur. There is limited evidence of human coinfection with B miyamotoi or Powassan virus, as isolated infection with either of these pathogens is rare.

Geographic distribution of tick-borne diseases in the United States demonstrates regions at higher risk for coinfection.

In patients with Lyme disease, as many as 35% may have concurrent babesiosis, and as many as 12% may have concurrent HGA in endemic areas (eg, northeast and northern central United States).7-9 Concurrent HGA and babesiosis in the absence of Lyme disease also has been documented.7-9 Coinfection generally increases the diversity of presenting symptoms, often obscuring the primary diagnosis. In addition, these patients may have more severe and prolonged illness.8,10,11

In endemic areas, coinfection with B burgdorferi and an additional pathogen should be suspected if a patient presents with typical symptoms of early Lyme disease, especially erythema migrans, along with (1) combination of fever, chills, and headache; (2) prolonged viral-like illness, particularly 48 hours after appropriate antibiotic treatment; and (3) unexplained blood dyscrasia.7,11,12 When a patient presents with erythema migrans, it is unnecessary to test for HGA, as treatment of Lyme disease with doxycycline also is adequate for treating HGA; however, if systemic symptoms persist despite treatment, testing for babesiosis and other tick-borne illnesses should be considered, as babesiosis requires treatment with atovaquone plus azithromycin or clindamycin plus quinine.13

A complete blood count and peripheral blood smear can aid in the diagnosis of coinfection. The complete blood count may reveal leukopenia, anemia, or thrombocytopenia associated with HGA or babesiosis. The peripheral blood smear can reveal inclusions of intra-erythrocytic ring forms and tetrads (the “Maltese cross” appearance) in babesiosis and intragranulocytic morulae in HGA.12 The most sensitive diagnostic tests for tick-borne diseases are organism-specific IgM and IgG serology for Lyme disease, babesiosis, and HGA and polymerase chain reaction for babesiosis and HGA.7

Prevention Strategies

The most effective means of controlling tick-borne disease is avoiding tick bites altogether. One method is to avoid spending time in high-risk areas that may be infested with ticks, particularly low-lying brush, where ticks are likely to hide.14 For individuals traveling in environments with a high risk of tick exposure, behavioral methods of avoidance are indicated, including wearing long pants and a shirt with long sleeves, tucking the shirt into the pants, and wearing closed-toe shoes. Wearing light-colored clothing may aid in tick identification and prompt removal prior to attachment. Permethrin-impregnated clothing has been proven to decrease the likelihood of tick bites in adults working outdoors.15-17

Topical repellents also play a role in the prevention of tick-borne diseases. The most effective and safe synthetic repellents are N,N-diethyl-meta-toluamide (DEET); picaridin; p-menthane-3,8-diol; and insect repellent 3535 (IR3535)(ethyl butylacetylaminopropionate).16-19 Plant-based repellents also are available, but their efficacy is strongly influenced by the surrounding environment (eg, temperature, humidity, organic matter).20-22 Individuals also may be exposed to ticks following contact with domesticated animals and pets.23,24 Tick prevention in pets with the use of ectoparasiticides should be directed by a qualified veterinarian.25

Tick Removal

Following a bite, the tick should be removed promptly to avoid transmission of pathogens. Numerous commercial and in-home methods of tick removal are available, but not all are equally effective. Detachment techniques include removal with a card or commercially available radiofrequency device, lassoing, or freezing.26,27 However, the most effective method is simple removal with tweezers. The tick should be grasped close to the skin surface and pulled upward with an even pressure. Commercially available tick-removal devices have not been shown to produce better outcomes than removal of the tick with tweezers.28

Conclusion

When patients do not respond to therapy for presumed tick-borne infection, the diagnosis should be reconsidered. One important consideration is coinfection with a second organism. Prompt identification and removal of ticks can prevent disease transmission.

References
  1. McMichael C, Barnett J, McMichael AJ. An ill wind? climate change, migration, and health. Environ Health Perspect. 2012;120:646-654.
  2. Ostfeld RS, Brunner JL. Climate change and Ixodes tick-borne diseases of humans. Philos Trans R Soc Lond B Biol Sci. 2015;370:20140051.
  3. Ogden NH, Bigras-Poulin M, O’Callaghan CJ, et al. Vector seasonality, host infection dynamics and fitness of pathogens transmitted by the tick Ixodes scapularis. Parasitology. 2007;134(pt 2):209-227.
  4. Tickborne diseases of the United States. Centers for Disease Control and Prevention website. http://www.cdc.gov/ticks/diseases/index.html. Updated July 25, 2017. Accessed April 10, 2018.
  5. Hinten SR, Beckett GA, Gensheimer KF, et al. Increased recognition of Powassan encephalitis in the United States, 1999-2005. Vector Borne Zoonotic Dis. 2008;8:733-740.
  6. Platonov AE, Karan LS, Kolyasnikova NM, et al. Humans infected with relapsing fever spirochete Borrelia miyamotoi, Russia. Emerg Infect Dis. 2011;17:1816-1823.
  7. Krause PJ, McKay K, Thompson CA, et al; Deer-Associated Infection Study Group. Disease-specific diagnosis of coinfecting tickborne zoonoses: babesiosis, human granulocytic ehrlichiosis, and Lyme disease. Clin Infect Dis. 2002;34:1184-1191.
  8. Krause PJ, Telford SR 3rd, Spielman A, et al. Concurrent Lyme disease and babesiosis. evidence for increased severity and duration of illness. JAMA. 1996;275:1657-1660.
  9. Belongia EA, Reed KD, Mitchell PD, et al. Clinical and epidemiological features of early Lyme disease and human granulocytic ehrlichiosis in Wisconsin. Clin Infect Dis. 1999;29:1472-1477.
  10. Sweeny CJ, Ghassemi M, Agger WA, et al. Coinfection with Babesia microti and Borrelia burgdorferi in a western Wisconsin resident. Mayo Clin Proc.1998;73:338-341.
  11. Nadelman RB, Horowitz HW, Hsieh TC, et al. Simultaneous human granulocytic ehrlichiosis and Lyme borreliosis. N Engl J Med. 1997;337:27-30.
  12. Wormser GP, Dattwyler RJ, Shapiro ED, et al. The clinical assessment, treatment, and prevention of Lyme disease, human granulocytic anaplasmosis, and babesiosis: clinical practice guidelines by the Infectious Diseases Society of America. Clin Infect Dis. 2006;43:1089-1134.
  13. Swanson SJ, Neitzel D, Reed DK, et al. Coinfections acquired from Ixodes ticks. Clin Microbiol Rev. 2006;19:708-727.
  14. Hayes EB, Piesman J. How can we prevent Lyme disease? N Engl J Med. 2003;348:2424-2430.
  15. Vaughn MF, Funkhouser SW, Lin FC, et al. Long-lasting permethrin impregnated uniforms: a randomized-controlled trial for tick bite prevention. Am J Prev Med. 2014;46:473-480.
  16. Miller NJ, Rainone EE, Dyer MC, et al. Tick bite protection with permethrin-treated summer-weight clothing. J Med Entomol. 2011;48:327-333.
  17. Richards SL, Balanay JAG, Harris JW. Effectiveness of permethrin-treated clothing to prevent tick exposure in foresters in the central Appalachian region of the USA. Int J Environ Health Res. 2015;25:453-462.
  18. Pages F, Dautel H, Duvallet G, et al. Tick repellents for human use: prevention of tick bites and tick-borne diseases. Vector Borne Zoonotic Dis. 2014;14:85-93.
  19. Büchel K, Bendin J, Gharbi A, et al. Repellent efficacy of DEET, icaridin, and EBAAP against Ixodes ricinus and Ixodes scapularis nymphs (Acari, Ixodidae). Ticks Tick Borne Dis. 2015;6:494-498.
  20. Schwantes U, Dautel H, Jung G. Prevention of infectious tick-borne diseases in humans: comparative studies of the repellency of different dodecanoic acid-formulations against Ixodes ricinus ticks (Acari: Ixodidae). Parasit Vectors. 2008;8:1-8.
  21. Bissinger BW, Apperson CS, Sonenshine DE, et al. Efficacy of the new repellent BioUD against three species of ixodid ticks. Exp Appl Acarol. 2009;48:239-250.
  22. Feaster JE, Scialdone MA, Todd RG, et al. Dihydronepetalactones deter feeding activity by mosquitoes, stable flies, and deer ticks. J Med Entomol. 2009;46:832-840.
  23. Jennett AL, Smith FD, Wall R. Tick infestation risk for dogs in a peri-urban park. Parasit Vectors. 2013;6:358.
  24. Rand PW, Smith RP Jr, Lacombe EH. Canine seroprevalence and the distribution of Ixodes dammini in an area of emerging Lyme disease. Am J Public Health. 1991;81:1331-1334.
  25. Baneth G, Bourdeau P, Bourdoiseau G, et al; CVBD World Forum. Vector-borne diseases—constant challenge for practicing veterinarians: recommendations from the CVBD World Forum. Parasit Vectors. 2012;5:55.
  26. Akin Belli A, Dervis E, Kar S, et al. Revisiting detachment techniques in human-biting ticks. J Am Acad Dermatol. 2016;75:393-397.
  27. Ashique KT, Kaliyadan F. Radiofrequency device for tick removal. J Am Acad Dermatol. 2015;72:155-156.
  28. Due C, Fox W, Medlock JM, et al. Tick bite prevention and tick removal. BMJ. 2013;347:f7123.
Article PDF
CT101005328.PDF
Author and Disclosure Information

From the Department of Dermatology and Dermatologic Surgery, Medical University of South Carolina, Charleston.

The authors report no conflict of interest.

This article is the last of a 3-part series. The second part appeared in the April 2018 issue.

The image is in the public domain.

Correspondence: Dirk M. Elston, MD, Department of Dermatology and Dermatologic Surgery, Medical University of South Carolina, 135 Rutledge Ave, MSC 578, Charleston, SC 29425 (elstond@musc.edu).

Issue
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Cutis
MDedge Dermatology
Topics
Infectious Diseases
Page Number
328-330
Sections
Environmental Dermatology
Author(s)
Kelsey D. Wilson, MD
Dirk Elston, MD
Author(s)
Kelsey D. Wilson, MD
Dirk Elston, MD
Author and Disclosure Information

From the Department of Dermatology and Dermatologic Surgery, Medical University of South Carolina, Charleston.

The authors report no conflict of interest.

This article is the last of a 3-part series. The second part appeared in the April 2018 issue.

The image is in the public domain.

Correspondence: Dirk M. Elston, MD, Department of Dermatology and Dermatologic Surgery, Medical University of South Carolina, 135 Rutledge Ave, MSC 578, Charleston, SC 29425 (elstond@musc.edu).

Author and Disclosure Information

From the Department of Dermatology and Dermatologic Surgery, Medical University of South Carolina, Charleston.

The authors report no conflict of interest.

This article is the last of a 3-part series. The second part appeared in the April 2018 issue.

The image is in the public domain.

Correspondence: Dirk M. Elston, MD, Department of Dermatology and Dermatologic Surgery, Medical University of South Carolina, 135 Rutledge Ave, MSC 578, Charleston, SC 29425 (elstond@musc.edu).

Article PDF
CT101005328.PDF
Article PDF
CT101005328.PDF

Tick-borne diseases are increasing in prevalence, likely due to climate change in combination with human movement into tick habitats.1-3 The Ixodes genus of hard ticks is a common vector for the transmission of pathogenic viruses, bacteria, parasites, and toxins. Among these, Lyme disease, which is caused by Borrelia burgdorferi, is the most prevalent, followed by babesiosis and human granulocytic anaplasmosis (HGA), respectively.4 In Europe, tick-borne encephalitis is commonly encountered. More recently identified diseases transmitted by Ixodes ticks include Powassan virus and Borrelia miyamotoi infection; however, these diseases are less frequently encountered than other tick-borne diseases.5,6

As tick-borne diseases become more prevalent, the likelihood of coinfection with more than one Ixodes-transmitted pathogen is increasing.7 Therefore, it is important for physicians who practice in endemic areas to be aware of the possibility of coinfection, which can alter clinical presentation, disease severity, and treatment response in tick-borne diseases. Additionally, public education on tick-bite prevention and prompt tick removal is necessary to combat the rising prevalence of these diseases.

Coinfection

Risk of coinfection with more than one tick-borne disease is contingent on the geographic distribution of the tick species as well as the particular pathogen’s prevalence within reservoir hosts in a given area (Figure). Most coinfections occur with B. burgdorferi and an additional pathogen, usually Anaplasma phagocytophilum (which causes human granulocytic anaplasmosis [HGA]) or Babesia microti (which causes babesiosis). In Europe, coinfection with tick-borne encephalitis virus may occur. There is limited evidence of human coinfection with B miyamotoi or Powassan virus, as isolated infection with either of these pathogens is rare.

Geographic distribution of tick-borne diseases in the United States demonstrates regions at higher risk for coinfection.

In patients with Lyme disease, as many as 35% may have concurrent babesiosis, and as many as 12% may have concurrent HGA in endemic areas (eg, northeast and northern central United States).7-9 Concurrent HGA and babesiosis in the absence of Lyme disease also has been documented.7-9 Coinfection generally increases the diversity of presenting symptoms, often obscuring the primary diagnosis. In addition, these patients may have more severe and prolonged illness.8,10,11

In endemic areas, coinfection with B burgdorferi and an additional pathogen should be suspected if a patient presents with typical symptoms of early Lyme disease, especially erythema migrans, along with (1) combination of fever, chills, and headache; (2) prolonged viral-like illness, particularly 48 hours after appropriate antibiotic treatment; and (3) unexplained blood dyscrasia.7,11,12 When a patient presents with erythema migrans, it is unnecessary to test for HGA, as treatment of Lyme disease with doxycycline also is adequate for treating HGA; however, if systemic symptoms persist despite treatment, testing for babesiosis and other tick-borne illnesses should be considered, as babesiosis requires treatment with atovaquone plus azithromycin or clindamycin plus quinine.13

A complete blood count and peripheral blood smear can aid in the diagnosis of coinfection. The complete blood count may reveal leukopenia, anemia, or thrombocytopenia associated with HGA or babesiosis. The peripheral blood smear can reveal inclusions of intra-erythrocytic ring forms and tetrads (the “Maltese cross” appearance) in babesiosis and intragranulocytic morulae in HGA.12 The most sensitive diagnostic tests for tick-borne diseases are organism-specific IgM and IgG serology for Lyme disease, babesiosis, and HGA and polymerase chain reaction for babesiosis and HGA.7

Prevention Strategies

The most effective means of controlling tick-borne disease is avoiding tick bites altogether. One method is to avoid spending time in high-risk areas that may be infested with ticks, particularly low-lying brush, where ticks are likely to hide.14 For individuals traveling in environments with a high risk of tick exposure, behavioral methods of avoidance are indicated, including wearing long pants and a shirt with long sleeves, tucking the shirt into the pants, and wearing closed-toe shoes. Wearing light-colored clothing may aid in tick identification and prompt removal prior to attachment. Permethrin-impregnated clothing has been proven to decrease the likelihood of tick bites in adults working outdoors.15-17

Topical repellents also play a role in the prevention of tick-borne diseases. The most effective and safe synthetic repellents are N,N-diethyl-meta-toluamide (DEET); picaridin; p-menthane-3,8-diol; and insect repellent 3535 (IR3535)(ethyl butylacetylaminopropionate).16-19 Plant-based repellents also are available, but their efficacy is strongly influenced by the surrounding environment (eg, temperature, humidity, organic matter).20-22 Individuals also may be exposed to ticks following contact with domesticated animals and pets.23,24 Tick prevention in pets with the use of ectoparasiticides should be directed by a qualified veterinarian.25

Tick Removal

Following a bite, the tick should be removed promptly to avoid transmission of pathogens. Numerous commercial and in-home methods of tick removal are available, but not all are equally effective. Detachment techniques include removal with a card or commercially available radiofrequency device, lassoing, or freezing.26,27 However, the most effective method is simple removal with tweezers. The tick should be grasped close to the skin surface and pulled upward with an even pressure. Commercially available tick-removal devices have not been shown to produce better outcomes than removal of the tick with tweezers.28

Conclusion

When patients do not respond to therapy for presumed tick-borne infection, the diagnosis should be reconsidered. One important consideration is coinfection with a second organism. Prompt identification and removal of ticks can prevent disease transmission.

Tick-borne diseases are increasing in prevalence, likely due to climate change in combination with human movement into tick habitats.1-3 The Ixodes genus of hard ticks is a common vector for the transmission of pathogenic viruses, bacteria, parasites, and toxins. Among these, Lyme disease, which is caused by Borrelia burgdorferi, is the most prevalent, followed by babesiosis and human granulocytic anaplasmosis (HGA), respectively.4 In Europe, tick-borne encephalitis is commonly encountered. More recently identified diseases transmitted by Ixodes ticks include Powassan virus and Borrelia miyamotoi infection; however, these diseases are less frequently encountered than other tick-borne diseases.5,6

As tick-borne diseases become more prevalent, the likelihood of coinfection with more than one Ixodes-transmitted pathogen is increasing.7 Therefore, it is important for physicians who practice in endemic areas to be aware of the possibility of coinfection, which can alter clinical presentation, disease severity, and treatment response in tick-borne diseases. Additionally, public education on tick-bite prevention and prompt tick removal is necessary to combat the rising prevalence of these diseases.

Coinfection

Risk of coinfection with more than one tick-borne disease is contingent on the geographic distribution of the tick species as well as the particular pathogen’s prevalence within reservoir hosts in a given area (Figure). Most coinfections occur with B. burgdorferi and an additional pathogen, usually Anaplasma phagocytophilum (which causes human granulocytic anaplasmosis [HGA]) or Babesia microti (which causes babesiosis). In Europe, coinfection with tick-borne encephalitis virus may occur. There is limited evidence of human coinfection with B miyamotoi or Powassan virus, as isolated infection with either of these pathogens is rare.

Geographic distribution of tick-borne diseases in the United States demonstrates regions at higher risk for coinfection.

In patients with Lyme disease, as many as 35% may have concurrent babesiosis, and as many as 12% may have concurrent HGA in endemic areas (eg, northeast and northern central United States).7-9 Concurrent HGA and babesiosis in the absence of Lyme disease also has been documented.7-9 Coinfection generally increases the diversity of presenting symptoms, often obscuring the primary diagnosis. In addition, these patients may have more severe and prolonged illness.8,10,11

In endemic areas, coinfection with B burgdorferi and an additional pathogen should be suspected if a patient presents with typical symptoms of early Lyme disease, especially erythema migrans, along with (1) combination of fever, chills, and headache; (2) prolonged viral-like illness, particularly 48 hours after appropriate antibiotic treatment; and (3) unexplained blood dyscrasia.7,11,12 When a patient presents with erythema migrans, it is unnecessary to test for HGA, as treatment of Lyme disease with doxycycline also is adequate for treating HGA; however, if systemic symptoms persist despite treatment, testing for babesiosis and other tick-borne illnesses should be considered, as babesiosis requires treatment with atovaquone plus azithromycin or clindamycin plus quinine.13

A complete blood count and peripheral blood smear can aid in the diagnosis of coinfection. The complete blood count may reveal leukopenia, anemia, or thrombocytopenia associated with HGA or babesiosis. The peripheral blood smear can reveal inclusions of intra-erythrocytic ring forms and tetrads (the “Maltese cross” appearance) in babesiosis and intragranulocytic morulae in HGA.12 The most sensitive diagnostic tests for tick-borne diseases are organism-specific IgM and IgG serology for Lyme disease, babesiosis, and HGA and polymerase chain reaction for babesiosis and HGA.7

Prevention Strategies

The most effective means of controlling tick-borne disease is avoiding tick bites altogether. One method is to avoid spending time in high-risk areas that may be infested with ticks, particularly low-lying brush, where ticks are likely to hide.14 For individuals traveling in environments with a high risk of tick exposure, behavioral methods of avoidance are indicated, including wearing long pants and a shirt with long sleeves, tucking the shirt into the pants, and wearing closed-toe shoes. Wearing light-colored clothing may aid in tick identification and prompt removal prior to attachment. Permethrin-impregnated clothing has been proven to decrease the likelihood of tick bites in adults working outdoors.15-17

Topical repellents also play a role in the prevention of tick-borne diseases. The most effective and safe synthetic repellents are N,N-diethyl-meta-toluamide (DEET); picaridin; p-menthane-3,8-diol; and insect repellent 3535 (IR3535)(ethyl butylacetylaminopropionate).16-19 Plant-based repellents also are available, but their efficacy is strongly influenced by the surrounding environment (eg, temperature, humidity, organic matter).20-22 Individuals also may be exposed to ticks following contact with domesticated animals and pets.23,24 Tick prevention in pets with the use of ectoparasiticides should be directed by a qualified veterinarian.25

Tick Removal

Following a bite, the tick should be removed promptly to avoid transmission of pathogens. Numerous commercial and in-home methods of tick removal are available, but not all are equally effective. Detachment techniques include removal with a card or commercially available radiofrequency device, lassoing, or freezing.26,27 However, the most effective method is simple removal with tweezers. The tick should be grasped close to the skin surface and pulled upward with an even pressure. Commercially available tick-removal devices have not been shown to produce better outcomes than removal of the tick with tweezers.28

Conclusion

When patients do not respond to therapy for presumed tick-borne infection, the diagnosis should be reconsidered. One important consideration is coinfection with a second organism. Prompt identification and removal of ticks can prevent disease transmission.

References
  1. McMichael C, Barnett J, McMichael AJ. An ill wind? climate change, migration, and health. Environ Health Perspect. 2012;120:646-654.
  2. Ostfeld RS, Brunner JL. Climate change and Ixodes tick-borne diseases of humans. Philos Trans R Soc Lond B Biol Sci. 2015;370:20140051.
  3. Ogden NH, Bigras-Poulin M, O’Callaghan CJ, et al. Vector seasonality, host infection dynamics and fitness of pathogens transmitted by the tick Ixodes scapularis. Parasitology. 2007;134(pt 2):209-227.
  4. Tickborne diseases of the United States. Centers for Disease Control and Prevention website. http://www.cdc.gov/ticks/diseases/index.html. Updated July 25, 2017. Accessed April 10, 2018.
  5. Hinten SR, Beckett GA, Gensheimer KF, et al. Increased recognition of Powassan encephalitis in the United States, 1999-2005. Vector Borne Zoonotic Dis. 2008;8:733-740.
  6. Platonov AE, Karan LS, Kolyasnikova NM, et al. Humans infected with relapsing fever spirochete Borrelia miyamotoi, Russia. Emerg Infect Dis. 2011;17:1816-1823.
  7. Krause PJ, McKay K, Thompson CA, et al; Deer-Associated Infection Study Group. Disease-specific diagnosis of coinfecting tickborne zoonoses: babesiosis, human granulocytic ehrlichiosis, and Lyme disease. Clin Infect Dis. 2002;34:1184-1191.
  8. Krause PJ, Telford SR 3rd, Spielman A, et al. Concurrent Lyme disease and babesiosis. evidence for increased severity and duration of illness. JAMA. 1996;275:1657-1660.
  9. Belongia EA, Reed KD, Mitchell PD, et al. Clinical and epidemiological features of early Lyme disease and human granulocytic ehrlichiosis in Wisconsin. Clin Infect Dis. 1999;29:1472-1477.
  10. Sweeny CJ, Ghassemi M, Agger WA, et al. Coinfection with Babesia microti and Borrelia burgdorferi in a western Wisconsin resident. Mayo Clin Proc.1998;73:338-341.
  11. Nadelman RB, Horowitz HW, Hsieh TC, et al. Simultaneous human granulocytic ehrlichiosis and Lyme borreliosis. N Engl J Med. 1997;337:27-30.
  12. Wormser GP, Dattwyler RJ, Shapiro ED, et al. The clinical assessment, treatment, and prevention of Lyme disease, human granulocytic anaplasmosis, and babesiosis: clinical practice guidelines by the Infectious Diseases Society of America. Clin Infect Dis. 2006;43:1089-1134.
  13. Swanson SJ, Neitzel D, Reed DK, et al. Coinfections acquired from Ixodes ticks. Clin Microbiol Rev. 2006;19:708-727.
  14. Hayes EB, Piesman J. How can we prevent Lyme disease? N Engl J Med. 2003;348:2424-2430.
  15. Vaughn MF, Funkhouser SW, Lin FC, et al. Long-lasting permethrin impregnated uniforms: a randomized-controlled trial for tick bite prevention. Am J Prev Med. 2014;46:473-480.
  16. Miller NJ, Rainone EE, Dyer MC, et al. Tick bite protection with permethrin-treated summer-weight clothing. J Med Entomol. 2011;48:327-333.
  17. Richards SL, Balanay JAG, Harris JW. Effectiveness of permethrin-treated clothing to prevent tick exposure in foresters in the central Appalachian region of the USA. Int J Environ Health Res. 2015;25:453-462.
  18. Pages F, Dautel H, Duvallet G, et al. Tick repellents for human use: prevention of tick bites and tick-borne diseases. Vector Borne Zoonotic Dis. 2014;14:85-93.
  19. Büchel K, Bendin J, Gharbi A, et al. Repellent efficacy of DEET, icaridin, and EBAAP against Ixodes ricinus and Ixodes scapularis nymphs (Acari, Ixodidae). Ticks Tick Borne Dis. 2015;6:494-498.
  20. Schwantes U, Dautel H, Jung G. Prevention of infectious tick-borne diseases in humans: comparative studies of the repellency of different dodecanoic acid-formulations against Ixodes ricinus ticks (Acari: Ixodidae). Parasit Vectors. 2008;8:1-8.
  21. Bissinger BW, Apperson CS, Sonenshine DE, et al. Efficacy of the new repellent BioUD against three species of ixodid ticks. Exp Appl Acarol. 2009;48:239-250.
  22. Feaster JE, Scialdone MA, Todd RG, et al. Dihydronepetalactones deter feeding activity by mosquitoes, stable flies, and deer ticks. J Med Entomol. 2009;46:832-840.
  23. Jennett AL, Smith FD, Wall R. Tick infestation risk for dogs in a peri-urban park. Parasit Vectors. 2013;6:358.
  24. Rand PW, Smith RP Jr, Lacombe EH. Canine seroprevalence and the distribution of Ixodes dammini in an area of emerging Lyme disease. Am J Public Health. 1991;81:1331-1334.
  25. Baneth G, Bourdeau P, Bourdoiseau G, et al; CVBD World Forum. Vector-borne diseases—constant challenge for practicing veterinarians: recommendations from the CVBD World Forum. Parasit Vectors. 2012;5:55.
  26. Akin Belli A, Dervis E, Kar S, et al. Revisiting detachment techniques in human-biting ticks. J Am Acad Dermatol. 2016;75:393-397.
  27. Ashique KT, Kaliyadan F. Radiofrequency device for tick removal. J Am Acad Dermatol. 2015;72:155-156.
  28. Due C, Fox W, Medlock JM, et al. Tick bite prevention and tick removal. BMJ. 2013;347:f7123.
References
  1. McMichael C, Barnett J, McMichael AJ. An ill wind? climate change, migration, and health. Environ Health Perspect. 2012;120:646-654.
  2. Ostfeld RS, Brunner JL. Climate change and Ixodes tick-borne diseases of humans. Philos Trans R Soc Lond B Biol Sci. 2015;370:20140051.
  3. Ogden NH, Bigras-Poulin M, O’Callaghan CJ, et al. Vector seasonality, host infection dynamics and fitness of pathogens transmitted by the tick Ixodes scapularis. Parasitology. 2007;134(pt 2):209-227.
  4. Tickborne diseases of the United States. Centers for Disease Control and Prevention website. http://www.cdc.gov/ticks/diseases/index.html. Updated July 25, 2017. Accessed April 10, 2018.
  5. Hinten SR, Beckett GA, Gensheimer KF, et al. Increased recognition of Powassan encephalitis in the United States, 1999-2005. Vector Borne Zoonotic Dis. 2008;8:733-740.
  6. Platonov AE, Karan LS, Kolyasnikova NM, et al. Humans infected with relapsing fever spirochete Borrelia miyamotoi, Russia. Emerg Infect Dis. 2011;17:1816-1823.
  7. Krause PJ, McKay K, Thompson CA, et al; Deer-Associated Infection Study Group. Disease-specific diagnosis of coinfecting tickborne zoonoses: babesiosis, human granulocytic ehrlichiosis, and Lyme disease. Clin Infect Dis. 2002;34:1184-1191.
  8. Krause PJ, Telford SR 3rd, Spielman A, et al. Concurrent Lyme disease and babesiosis. evidence for increased severity and duration of illness. JAMA. 1996;275:1657-1660.
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Issue
Cutis - 101(5)
Issue
Cutis - 101(5)
Page Number
328-330
Page Number
328-330
Publications
Cutis
MDedge Dermatology
Publications
Cutis
MDedge Dermatology
Topics
Infectious Diseases
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Article
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What’s Eating You? Ixodes Tick and Related Diseases, Part 3: Coinfection and Tick-Bite Prevention
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What’s Eating You? Ixodes Tick and Related Diseases, Part 3: Coinfection and Tick-Bite Prevention
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Environmental Dermatology
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Practice Points

  • As tick-borne diseases become more prevalent, the likelihood of coinfection with more than one Ixodes-transmitted pathogen is increasing, particularly in endemic areas.
  • Coinfection generally increases the diversity of presenting symptoms, obscuring the primary diagnosis. The disease course also may be prolonged and more severe.
  • Prevention of tick attachment and prompt tick removal are critical to combating the rising prevalence of tick-borne diseases.
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