Trichomoniasis Test Test
A trichomoniasis test checks for a parasite that causes a common sexually transmitted infection (STI). It usually looks for the parasite in a sample of fluid from the vagina or urethra.
What this test measures
Trichomoniasis testing looks for the parasite Trichomonas vaginalis in a sample of body fluid swabbed from the infected area. In women, the sample is usually from the vagina; in men, from the urethra.
What your results mean
Reference ranges vary by laboratory and by your age and sex. MedlinePlus does not publish a single normal range for this test — always read your result against the range printed on your own lab report and discuss it with your provider.
Higher-than-normal results
A positive result means parasites were found in your sample. You have a trichomoniasis infection and will need treatment with medicine.
Lower-than-normal results
A negative result means no parasites were seen in your sample. However, the test may not always be accurate, so more sensitive tests may be done if infection is still suspected.
Frequently asked questions
How is trichomoniasis spread?
You can get trichomoniasis by having sex without a condom with a partner who has the infection. Women can get it from men or women; men usually get it only from women.
What are the symptoms of trichomoniasis?
Most people with trichomoniasis do not have any symptoms.
Can trichomoniasis be cured?
Yes, trichomoniasis can be cured with antibiotics.
What happens if trichomoniasis is not treated?
Untreated trichomoniasis can increase your risk of getting or spreading other STIs, including HIV, and can cause prostate infections in men or pregnancy problems like premature birth and low birth weight.
Why might I need a follow-up test after treatment?
A follow-up test checks for reinfection, which can happen if partners are not treated, or for parasites that may be resistant to the medicine.
Related lab tests
Sources
- MedlinePlus: Trichomoniasis Test — NIH MedlinePlus
Last updated . Information is aggregated from official public sources and is not a substitute for professional medical care.