Doxycycline significantly reduces risk of STIs after condomless sex by 65%

Taking 200mg of doxycycline within 72 hours of condomless sex significantly reduces the risk of gonorrhoea, chlamydia and syphilis among men who have sex with men and trans women. Among those randomized to take doxycycline, 65% fewer were diagnosed with an STI each quarter than those not taking doxycycline.  The DoxyPEP study found that participants in…