Journal of Urgent Care Medicine

DoxyPEP Loses Effectiveness For Gonorrhea Over Time

Patients using the doxycycline post-exposure prophylaxis (doxyPEP) treatment protocol typically take a dose of the antibiotic within 72 hours of unprotected sex. DoxyPEP has shown some encouraging real-world effectiveness with significant declines in incidence of bacterial sexually transmitted infections (STIs). However, a new study of 26,582 men who have sex with men and transgender women in California from January 1, 2023, to June 30, 2025, published in The Lancet Infectious Disease, found that doxyPEP remained …

Doxy-PEP Lowers Syphilis Cases, Directing More Care Toward Pregnant Women

An analysis of surveillance data from January 2017–June 2025 in Washington’s King County area found a health clinic program that offered doxycycline post-exposure prophylaxis (doxy-PEP) starting in March 2023 was associated with substantial declines in syphilis diagnoses. Compared with projected trends, researchers found total cases decreased by 52.3% (3,031 fewer cases), as published in Clinical Infectious Diseases. Reductions were greatest among cisgender men (−53.1%; 2,248 fewer cases) but were also observed in cisgender women (−46.9%; …

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