Trichomoniasis a common, treatable, sexually transmitted disease (STD). Most people who have trichomoniasis do not have any symptoms T. vaginalis, the parasite that causes trichomoniasis, can pass from one person to another during sex (oral, anal, or vaginal sex) or through genital touching. In females, trichomoniasis mostly affects the lower genital tract. In males, it affects the urethra, the tube through which urine passes.
Other parts of the body, such as the anus, hands, or mouth, cannot usually become infected.
The following people have a higher chance of getting trichomoniasis:
Symptoms in males may include: