Overview

Trichomoniasis is a parasitic STI caused by Trichomonas vaginalis. It can cause discharge, odor and irritation, but some people have no symptoms.

Causes and transmission

  • Transmitted through sexual contact.
  • Can also be passed from mother to child during delivery.

How it is assessed

  • NAAT or microscopy may be used depending on setting.
  • Testing is important because symptoms overlap with other infections.

Management considerations

  • Antiparasitic treatment is used under medical supervision.
  • Partner evaluation may be recommended.

Prevention

  • Condoms reduce transmission risk.
  • Treating partners helps prevent reinfection.

Key points

  • Caused by a parasite
  • More symptomatic in women
  • Testing and treatment are available
  • Partner treatment may be needed

When to seek care

  • Frothy or malodorous discharge
  • Vaginal or urethral irritation
  • Partner diagnosis