Trichomoniasis

An infection caused by the protozoan. Trichomoniasis is a common cause of vaginitis. In some cases, the infection is sexually transmitted. In women, the causative organism may inhabit the vagina for years without causing symptoms. If symptoms occur, they include painful inflammation of the vagina and vulva, and a greenish, frothy, offensive-smelling discharge. Men usually have no symptoms. The diagnosis is made from examination of a sample of the discharge. Diagnosis usually difficult in men. Treatment is with metronidazole. The sexual partner or partners of an infected person should be treated at the same time to prevent reinfection.

 

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