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Minnesota State University, Mankato
Minnesota State University, Mankato

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Trichomoniasis, or "trich," is a common vaginal infection. It is caused by a single-celled organism that is usually transmitted sexually. Both men and women can have trichomoniasis without any symptoms and pass it on to others without even knowing it.

Symptoms of trichomoniasis infection in women include:

  • yellow–green, frothy, bubbly, foul–smelling discharge
  • burning on urination
  • inflamed external genitalia

Although most men have no symptoms they can transmit this infection to their partners. Symptoms of trichomoniasis infection in men include:

  • a slight "tingly" feeling in the penis
  • painful urination
  • thin, watery penile discharge

Trichomoniasis is usually treated with oral antibiotics. It is important that your partner be treated at the same time you are, even if they show no symptoms.

Note: If you are being treated for trichomoniasis with Flagyl, avoid drinking any alcoholic beverages during treatment.