The case for doxycycline after condomless sex

A Lancet study shows how men who have sex with men may benefit

Men who have condomless sex with men may benefit from post-exposure prophylaxis (PEP) with doxycycline.

gay men

A Lancet study has found that doxycycline administered within 24 hours after sex reduces the risk of sexually transmitted infections (STIs) in high-risk men.

Over 230 high-risk men who have sex with men (MSM) in France were randomised to receive PEP with doxycycline or no PEP. They were using pre-exposure prophylaxis (PrEP) for HIV and had a median of 10 partners every two months.

The men in the doxycycline

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