Print Version pdf icon. The content here can be syndicated added to your web site. It is caused by infection with a protozoan parasite called Trichomonas vaginalis. Although symptoms of the disease vary, most people who have the parasite cannot tell they are infected. Trichomoniasis is the most common curable STD.
Trichomoniasis is caused by the single-celled protozoan parasite, Trichomonas vaginalis. The vagina is the most common site of infection in girls and women, and the urethra is the most common site of infection in boys and men. The parasite is transmitted through sex penis-to-vagina or vulva-to-vulva contact with an infected partner. Women can get the disease from infected men or women, but men usually contract it only from infected women. Trich is the most common, curable STI.
Trichomoniasis is a common sexually transmitted infection caused by a parasite. In women, trichomoniasis can cause a foul-smelling vaginal discharge, genital itching and painful urination. Men who have trichomoniasis typically have no symptoms.
Back to Health A to Z. But up to half of all people will not develop any symptoms though they can still pass the infection on to others. The symptoms of trichomoniasis are similar to those of many other sexually transmitted infections STIs , so it can sometimes be difficult to diagnose. See a GP or go to your local genitourinary medicine GUM clinic if you develop any of the symptoms of trichomoniasis or you think you may be infected. Trichomoniasis can usually be diagnosed after an examination of the genitals and a laboratory test carried out on a swab taken from the vagina or penis.