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Trichomoniasis, also known as “trich,” is a sexually transmitted infection caused by a parasite. Although it is more commonly detected in women, both men and women can get a trich infection. In women, the infection can present itself in the vagina, urethra, cervix, bladder, and genital area glands.

Contributing factors

The following factor may contribute to parasitic infections:

  • Unprotected sex with an infected partner


Trichomoniasis is not always accompanied by symptoms, but if you do have symptoms, they will usually appear within one week of being infected. Asymptomatic women and men may pass on trich to their sexual partners without even realizing it.

When present, symptoms in women include the following:

  • Vaginal itching
  • Abnormal vaginal secretions
  • Pain during urination
  • Pain during sexual intercourse


If you test positive for trich, your healthcare provider will prescribe an antibiotic. This medicine, usually taken by mouth as pills, tablets, or capsules, kills the parasite causing the infection.


Trich is most often spread through unprotected sex with an infected partner. As an infected person may not have any symptoms, it is important to always practise safe sex to prevent getting trich.