Trichomonas vaginitis

Trichomonas vaginitis is a common sexually transmitted infection (STI) caused by a microscopic parasite called Trichomonas vaginalis. This infection primarily affects the vagina and urethra in women, but can also infect men.

Symptoms

Most people with trichomonas vaginitis do not have symptoms, but when they do occur, they can range from mild irritation to severe inflammation. Common symptoms in women include a foul-smelling vaginal discharge, genital itching or irritation, and painful urination or intercourse. Men usually do not have symptoms, but may experience irritation inside the penis, mild discharge, or slight burning after urination or ejaculation.

Causes

Trichomonas vaginitis is caused by the single-celled protozoan parasite Trichomonas vaginalis. The parasite is usually transmitted during sexual intercourse with an infected partner.

Diagnosis

Diagnosis of trichomonas vaginitis is typically made by a healthcare provider based on symptoms and a physical examination. Laboratory tests can confirm the diagnosis by identifying the parasite in samples of vaginal fluid or urine.

Treatment

The infection is usually treated with antibiotics, specifically metronidazole or tinidazole. Both partners should be treated to prevent re-infection.

Prevention

Prevention strategies include using condoms during sexual activity, limiting the number of sexual partners, and getting regular STI screenings.

See also

• Sexually transmitted infection
• Vaginitis
• Trichomonas vaginalis
• Metronidazole
• Tinidazole

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