The U.S. syphilis epidemic slowed dramatically last year, gonorrhea cases fell and chlamydia cases remained below prepandemic levels.

Several experts say one contributor is the growing use of an antibiotic as a “morning-after pill.” Studies have shown that taking doxycycline within 72 hours of unprotected sex cuts the risk of ...

What caused some of the STI trends to improve? Several experts say one contributor is the growing use of the antibiotic ...

In MVOR-1, 65% of patients treated with Emrosi achieved IGA success at week 16 compared with 46% of the doxycycline group (treatment difference, 18% [95% CI, 5-31]) and 31% of the placebo group ...

A new proven protocol in which doxycycline is used to prevent sexually transmitted infections, called doxyPEP, has been an ...

A 5-gram tube of Zovirax cream runs more than $200. A month’s supply of valacyclovir (500 milligrams) tablets costs between ...