© Lisandro Enrique
Doxycycline taken after sexual exposure can reduce the risk of syphilis and chlamydia, and may also reduce gonorrhoea in some settings. These infections continue to rise in many regions worldwide, disproportionately affecting key populations.
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WHO issues first recommendation on doxycycline post-exposure prophylaxis to help prevent sexually transmitted infections

28 May 2026
Departmental update