Trichomonas vaginalis

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Trichomonas vaginalis

Trichomonas vaginalis (pronunciation: trik-oh-MOH-nas vaj-uh-NAH-lis) is a parasite that causes Trichomoniasis, a common sexually transmitted infection (STI).

Etymology

The term "Trichomonas vaginalis" is derived from Greek. "Trichomonas" is a combination of "tricho-" meaning hair and "-monas" meaning unit, referring to the hair-like flagella that the parasite uses for movement. "Vaginalis" refers to the vagina, the primary site of infection.

Description

Trichomonas vaginalis is a protozoan parasite, specifically a flagellate. It is the most common non-viral sexually transmitted infection, affecting millions of people worldwide each year. The parasite is typically transmitted during sexual intercourse, but can also be transmitted through sharing of damp or moist objects such as towels or washcloths.

Symptoms

In women, Trichomonas vaginalis can cause a frothy, yellow-green vaginal discharge with a strong odor. Other symptoms can include itching and irritation inside the vagina, discomfort during sex and urination, and lower abdominal pain. In men, Trichomonas vaginalis often causes no symptoms, but can sometimes cause discharge from the penis, burning after ejaculation or urination, and an urge to urinate frequently.

Treatment

Trichomonas vaginalis is usually treated with antibiotics, specifically metronidazole or tinidazole. It is important for sexual partners to be treated simultaneously to prevent re-infection.

Prevention

Prevention of Trichomonas vaginalis involves practicing safe sex, including the use of condoms and regular STI testing.

Related Terms

External links

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