Trichomonas Vaginalis

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Trichomonas Vaginalis

What is it?

Trichomonas Vaginalis is a protozoa. The Trichomonas protozoan can infect the vagina and urethra in a woman and the urethra and occasionally the prostate gland in men.

Trichomonas infection is one of the most common protozoal parasites and worldwide, is a major cause of symptomatic vaginitis. Most men with Trichomonas have no symptoms. It is one of the most common yet curable Sexually Transmitted Infections (STIs) which occur among sexually active men and women. If you get the infection, there is an increased risk of getting other STIs if not treated.

MUMS GPs and Sexual Health Consultants offer Trichomonas Vaginalis testing. The cost of the test is £80.00. The cost of the consultation is £85.00

Trichomonas Vaginalis​ is also included in our combined STI multiple tests.

How do you get it?

Trichomonas can be passed on through oral, vaginal and anal intercourse.  Most commonly it is from penis to vagina, but can also be transferred from vulva to vulva contact between two women.

It cannot be spread by toilet seats, door knobs, swimming pools, hot tubs, bath tubs, shared clothing, or eating utensils.


Like other STIs, roughly half the people infected with Trichomonas have no symptoms. In those people that get symptoms, the following may occur:


  • Vaginal discharge. This is typically greeny-yellow, and may be 'frothy'. The discharge can have an unpleasant or fishy smell.
  • The vagina and vulva may be itchy and uncomfortable. The irritation may extend into the groin. Sex may be painful.
  • Painful/ burning urination.


  • Discharge from the penis.
  • Painful/ burning urination.
  • The need to urinate more frequently (due to irritation inside the penis).

How to test and samples

MUMS test for Mycoplasma with a first catch random urine sample

Times: Incubation, results and re-test

Trichomonas has a two week incubation period.  Results are available within five days of the sample being received in the laboratory. Regular retesting is advised if the patient continues to be at risk. A repeat test is recommended with every partner change.

What to do if the test is positive

Trichomonas is treated and cured with antibiotics.  Our sexual health consultant will provide a private prescription to patients who test positive and wish to be treated privately. You should not have sex until the treatment has finished and the symptoms have gone away.


Trichomonas Vaginalis test with consultation £165.00