Trichomoniasis Vaginalis (Antimicrobial)

  • Refer all cases to sexual health for treatment and partner notification.
  • Avoid 2g dose in pregnancy and breast feeding.
  • Full STI screening is recommended, to include Chlamydia, gonorrhoea, HIV and Syphilis.
  • Test of cure is recommended if symptoms persist
  • All partners within 4 weeks of symptom onset should be tested +/- treated.

Patient information is available here:

Drug details


Metronidazole 400mg twice daily or 2g as a single dose

5 to 7 days

Editorial Information

Last reviewed: 27/02/2023

Next review date: 27/02/2026

Author(s): Antimicrobial Management Team.

Approved By: TAM Subgroup of ADTC

Reviewer name(s): Alison Macdonald, Area Antimicrobial Pharmacist.

Document Id: AMT129