Can you have sex with a UTI?

Having sex after being diagnosed with a UTI will not interfere with healing. Sex can contribute to the initial development of a UTI by introducing bacteria into the urethra, which then ascends through the urinary tract and into the bladder. But once the infection is established, sex will not prolong it or make it worse. UTIs are not contagious; there’s no risk of passing it on to your partner. Of course, if you aren’t feeling well, you should hold off until you feel better.