Overview

Trichomonas testing detects the parasite Trichomonas vaginalis. NAAT or microscopy may be used depending on setting and symptoms.

What it detects

Trichomonas vaginalis.

Sample type

Vaginal or urethral swab, urine or wet mount depending on method.

When it may be appropriate

Discharge, odor, irritation or partner diagnosis.

Window period considerations

Can detect infection relatively early, but symptoms may lag.

Test limitations

Sensitivity varies by method; asymptomatic infection may be missed.

Interpretation basics

Positive results support trichomoniasis; negative results depend on method and timing.

Follow-up recommendations

Treat infection and evaluate partners as recommended.

Key points

  • Detects parasite
  • Several testing methods
  • May be asymptomatic
  • Partner treatment may be needed

When to seek care

  • Vaginal discharge
  • Urethral symptoms
  • Partner diagnosis