What Is Trichomoniasis?

Trichomoniasis, often called “trich,” is a common STI caused by the parasite Trichomonas vaginalis.
It primarily affects the urinary and genital tracts in both men and women.
Trich is treatable and curable with medication.

Trichomoniasis Symptoms and Causes

What are the symptoms of trichomoniasis?

In women:

  • Vaginal discharge (yellow-green, frothy, or with odor)
  • Itching or irritation
  • Pain during sex or urination

In men:

  • Discharge from the penis
  • Burning after urination or ejaculation
  • Mild irritation inside the penis

About 70% of infected people show no symptoms.

Did you know? Over 70% of women and about 50% of men with chlamydia have no symptoms at all.

How is trichomoniasis spread?

Trich is spread through sexual contact—vaginal intercourse or genital touching.
It is not transmitted through oral or anal sex.
Infection risk increases with multiple partners or unprotected sex.

Trichomoniasis Statistics

Who is most at risk for trichomoniasis?

  • Sexually active women
  • People with multiple partners
  • Those with previous STIs
  • Individuals who do not use condoms

Trichomoniasis Incidence by Age and Sex (U.S., 2023)

  • Roughly 2.6 million infections annually
  • More common in women than men
  • Highest rates among women aged 25–49

Trichomoniasis Treatment

Trichomoniasis is easily cured with oral antibiotics such as metronidazole or tinidazole.
Sex partners should be treated simultaneously to prevent reinfection.
Avoid sexual activity until treatment is complete and symptoms are gone.

Trichomoniasis FAQs

Is Trichomonas a bad STD?

Trichomonas is a common sexually transmitted infection that can cause itching, discharge, and discomfort, but it’s usually easily treated with antibiotics.

How to get rid of trichomoniasis?

Trichomoniasis is treated effectively with a prescribed course of antibiotics, usually metronidazole or tinidazole. It’s important to take the full medication and avoid sexual activity until both partners have been treated to prevent reinfection.

How long can a man carry trichomoniasis?

A man can carry trichomoniasis for weeks to months if left untreated, often without showing symptoms.

Is trich worse than chlamydia?

Both trichomoniasis (trich) and chlamydia are common sexually transmitted infections that can be easily treated with antibiotics. While chlamydia can lead to more serious complications if left untreated, such as pelvic inflammatory disease, trich often causes unpleasant symptoms like itching and discharge but is less likely to cause long-term damage.

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