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men who have sex with men (MSM)

Epidemiology: - incidence of unprotected sex on the rise 2008-2011 [2] Laboratory: - HIV1 testing annually - screening for hepatitis C (HCV Ab) if HIV1 + [5] - Chlamydia DNA & Neisseria gonorrhoeae DNA Complications: - HPV-16 & HPV-18 (etiologic agents of anal cancer) have low clearance rates & high incidence rates (despite antiretroviral therapy) - 43% of U.S. black men who have sex with men will be diagnosed with HIV1 infection in their lifetime [3] Management: - doxycycline 200-mg within 24 hours after condomless oral or anal sex (max 6 600 mg weekly) lowers risk for chlamydia & syphilis [4] - tenofovir/emtricitabine as pre-exposure prophylaxis against HIV1 infection

References

  1. de Pokomandy A et al Prevalence, clearance, and incidence of anal human papillomavirus infection in HIV-infected men: The HIPVIRG Cohort Study. J Infect Dis 2009 Apr 1; 199:965. PMID: 19239366
  2. Centers for Disease Control and Prevention (CDC). HIV testing and risk behaviors among gay, bisexual and other men who have sex with men - United States. MMWR Morb Mortal Wkly Rep 2013 Nov 29; 62:958. PMID: 24280915 http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6247a4.htm
  3. Editors Physician's First Watch, Feb 24, 2016 David G. Fairchild, MD, MPH, Editor-in-Chief Massachusetts Medical Society http://www.jwatch.org
  4. Molina JM, Charreau I, Chidiac C et al Post-exposure prophylaxis with doxycycline to prevent sexually transmitted infections in men who have sex with men: an open- label randomised substudy of the ANRS IPERGAY trial. Lancet Infectious Diseasees. Dec 8, 2017 PMID: 29229440 http://www.thelancet.com/journals/laninf/article/PIIS1473-3099(17)30725-9/fulltext - Fairley CK, Chow EPF Doxycycline post-exposure prophylaxis: let the debate begin. Lancet Infectious Diseasees. Dec 8, 2017 PMID: 29229439 http://www.thelancet.com/journals/laninf/article/PIIS1473-3099(17)30726-0/fulltext
  5. Medical Knowledge Self Assessment Program (MKSAP) 18, American College of Physicians, Philadelphia 2018