Why Your Vagina Is Itchy After Sex, According To Science

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Sometimes sex is irritating, and not in an emotional sense. At times, it might cause your body to feel like it's having an allergic reaction. In this case, you might wonder why your vagina is itchy after sex? Unfortunately, there is no single easy answer — just many possibilities.

For starters, plenty of infections can cause itchiness in your private area. In fact, vaginal itching and irritation is one of the hallmark symptoms of a yeast infection, according to the Mayo Clinic, and also a common effect of bacterial vaginosis, as noted by the Cleveland Clinic. Additionally, many sexually transmitted infections (STIs) result in vaginal itching. According to Healthline, trichomoniasis is particularly infamous for its itchy symptoms. So if the itching is accompanied by other symptoms of infection, such as discharge or a burning sensation, then it's probably time for a trip to your doctor.

It's also important to remember that the vagina is easily irritated. Spermicides, creams, and even some bath soaps are known to cause itchiness in the vagina, according to Very Well. If you suspect a product is causing the irritation, use the process of elimination to kick it out of your routine. In general, it's best to cleanse the vagina with bland, unscented soap and more or less leave it alone.

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It's also possible that you are experiencing an allergic reaction. If you're using condoms, the American College of Allergy, Asthma & Immunology noted that you may want to consider the possibility of a latex allergy. Switching to non-latex condoms or other methods of birth control may help the cause. If you aren't using any kind of barrier method, and you're in a heterosexual relation, then you may be allergic to your partner's sperm. No, really. According to the International Society for Sexual Medicine, a sperm allergy is characterized by symptoms such as itching, burning, and swelling in the vaginal area after sex. Although very rare, the sperm allergy can happen at random, even with a longtime partner. If this (or any other) cause of vaginal itching concerns you, then don't hesitate to contact your physician for advice and diagnosis.