Infection
Trichomonas vaginalis
Antibiotic Therapy (before prescribing, carefully read the Notes / Comments section below)

Metronidazole oral 400mg 12 hourly for 7 days or 2g oral as a single dose (avoid latter if pregnant or breastfeeding)

Notes / Comments
  • NICE provides a useful clinical knowledge summary on trichomoniasis.
  • Trichomoniasis presents with yellow-green frothy vaginal discharge which has an offensive, fishy smell and may be accompanied by itch, inflammation, and dysuria. Trichomonas seen on a routine cervical screening test is not diagnostic.
  • Send a high vaginal swab from all suspected cases, and treat only following laboratory confirmation. Screen for other sexually transmitted infections.
  • Treat only cases with a confirmed diagnosis. Sexual partner(s) should be treated simultaneously.
  • Contact Sexual Health Services if further advice or help with partner notification required or if symptoms fail to settle.
  • General advice: Patients should abstain from sexual intercourse (including oral sex) until they and their partner(s) have completed treatment and follow-up.

 

 

Guideline reviewed August 2023
Page updated March 2024



;