Trichomoniasis Vaginalis

  • 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


Last reviewed: 27 February 2023

Next review: 27 February 2026

Author(s): Antimicrobial Management Team

Approved By: TAM Sungroup of ADTC

Reviewer Name(s): Area Antimicrobial Pharmacist

Document Id: AMT129