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Diseases & Topics


Trichomoniasis is a common sexually transmitted disease caused by a protozoan parasite called Trichomonas vaginalis.

Among women, signs or symptoms of infection include a vaginal discharge, discomfort during intercourse and urination, irritation and itching of the genital area, or, more rarely, lower abdominal pain. Most men with trichomoniasis do not have signs or symptoms; however, some may temporarily experience a mild discharge or irritation after urination or ejaculation.

Pregnant women with trichomoniasis may have babies who are born early or with low birth weight (under 5.5 pounds). The infection also may cause genital inflammation which can increase the likelihood of acquiring and transmitting HIV infection.

Trichomoniasis can usually be cured with prescription drugs given by mouth. To prevent reinfection, both sexual partners should be treated at the same time to eliminate the parasite.

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