The topic this Wednesday March 11, 2015 is Pre-Exposure Prophylaxis Against STDs.
Taking 100 mg of the antibiotic doxycycline daily significantly reduced the risk of acquiring another sexually transmitted infection (STI), according to a pilot study among 30 HIV-positive gay men in Los Angeles.
The study, published in Sexually Transmitted Diseases, also noted that widespread use of antibiotics as prophylaxis may lead to the development of drug-resistant syphilis strains. The study authors therefore cautioned that “daily doxycycline prophylaxis against syphilis would not be an appropriate prevention tool for most HIV-[positive gay men] but only for a relatively small, yet epidemiologically important population, where its use may outweigh the theoretical resistance risks.”
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