Even if you’re as slick as a slip n’ slide, it’s also possible that the spike in blood flow to your vulva during sex and orgasm just makes you more sensitive down there, which could potentially trigger a burning sensation during the first couple pees that follow, Dr. White says. But in any of these cases, the stinging feeling will typically let up after a couple empties of your bladder, as your natural discharge soothes and re-moisturizes your vagina and the extra blood leaves that region, she explains.
You’re fighting an infection in your vagina or urinary tract.
Burning pee is a symptom of several different infections that can plague your nether regions—including yeast and bacterial vaginosis (BV), as well as UTIs and a few STIs. If you have one, it’s possible that you only really notice it after having sex, which can especially irritate an area that’s already inflamed.
Among that list, a UTI is the one most commonly linked with searing pee because this kind of bacterial infection occurs right in your urinary tract. It often affects your urethra (the tube from which pee comes out), but it can also work its way up into your bladder if it’s left untreated, Dr. Gleaton says. The result is not only burning pee but, in some cases, blood in your urine, pelvic pain, and urgent and more frequent trips to the bathroom.
Yeast and BV, on the other hand, are infections that happen in your vagina—the former, from an overgrowth of the fungus Candida albicans, and the latter, from a surplus of the bacteria Gardnerella vaginalis. In addition to painful peeing, they both typically cause itching and burning in and around your vulva along with unusual discharge (which can look like cottage cheese in the case of yeast or turn gray and fishy-smelling with BV).
STIs like chlamydia, gonorrhea, and trichomoniasis can chart a similarly uncomfy path (which is also why they’re so easily confused with yeast). All of these “can lead to inflammation of the genital tissues and urinary tract,” Dr. Gleaton says. If you don’t treat them, this irritation can worsen when you have sex, potentially causing a burning sensation when you go to pee afterward, she explains. (In these scenarios, you might also experience pain and bleeding during intercourse, Dr. White adds.)
You’re allergic or sensitive to something you’re using during or after sex.
It’s also possible that whatever graced your vulva during sex just did not sit well. Latex condoms or those that contain spermicide and certain kinds of lubes (especially the scented or flavored ones) can all spark an allergic reaction or cause vaginal irritation in folks who are sensitive to them, Dr. Phillips says. And the result may be flamin’ hot pee. It’s rare, but you can also be allergic to semen, which can cause post-sex pain, itching, and burning around your vagina for up to several hours after having unprotected intercourse with someone who has a penis.
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