To diagnose an infection with Trichomonas vaginalis
A swab of secretions taken from the vagina in women or the urethra in men. A urine sample can also be used in men.
The test is looking for infection by Trichomonas vaginalis, a sexually transmitted, microscopic parasite that causes vaginal infections in women and urethritis in some men.
How is the sample collected for testing?
In women, a swab of secretions is collected from the vagina. In men, a swab is inserted into the urethra of the penis.
Is any test preparation needed to ensure the quality of the sample?
No test preparation is needed.
How is it used?
When is it requested?
Your doctor may request the test if you complain of symptoms, such as vaginal discharge or pain on urination or have recently had unprotected sex. If you have an infection with another sexually transmitted infection, your doctor might test for trichomonas as well.
What does the test result mean?
Is there anything else I should know?
An infected person is at greater risk of getting other sexually transmitted infections, so the doctor may also test for these. It is important that your current and other recent sexual partners are made aware, so that they can also get tested.
Trichomonas infection can affect pregnancy, contributing to premature birth and low birth weight. You should inform your doctor if you may be pregnant. The doctor may medically manage a woman who is infected and in her first three months of pregnancy differently.
What are the symptoms of a trichomonas infection?
In women, the most common symptoms include a foul-smelling green discharge from the vagina and itching or redness in and around the vagina. Other symptoms can include abnormal vaginal discharge, an unpleasant fishy smell, pain during urination or when having sexual intercourse. Symptoms for men can include , soreness, swelling or redness around the penis, pain during ejaculation, discharge, increased urination or pain during urination.However, 50% of women and the majority of men with T. vaginalis infections have no symptoms.
How is trichomonas transmitted?
How is it treated?
How can it be prevented?