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Tinidazole

A nitroimidazole antimicrobial for trichomoniasis, giardiasis, amoebiasis and bacterial vaginosis.

Clinical information

Common uses

  • trichomoniasis
  • giardiasis (age 3+)
  • amoebiasis (age 3+)
  • bacterial vaginosis (non-pregnant women)

Common side effects

  • metallic or bitter taste
  • feeling sick
  • weakness or tiredness
  • indigestion or stomach cramps
  • headache

Cautions

  • boxed warning: a related drug caused cancer in animals — avoid long-term use
  • stop if numbness, tingling or seizures develop
  • can cause vaginal thrush
  • used cautiously with blood disorders

Interactions

  • warfarin (blood thinner) — dose may need adjusting
  • alcohol (avoid during and for 3 days after)
  • lithium — levels monitored
  • ciclosporin, tacrolimus — watch for toxicity
  • fluorouracil — watch for toxicity
  • phenytoin (seizure medicine) — doses may need adjusting

Pregnancy: limited data — talk to your doctor

Reference information, not medical advice — always follow your doctor or pharmacist. Source: DailyMed, dailymed.nlm.nih.gov, tinidazole tablet label, setid 6f3ce597-64c1-4204-a67a-8b6f6e7e8bca (accessed 2026-08-16)

Approved brands & formulations11

Brand nameDosage formStrengthImporterCategory
FasigynTablet300 mgauthorized medicine importersPOM
FasigynTablet ( Film coated )500 mgauthorized medicine importersPOM
FasigynTablet500 mgauthorized medicine importersPOM
Fasigyn DsTablet ( Film coated )1000 mgauthorized medicine importersPOM
TinibaTablet500mgauthorized medicine importersPOM
TinidazoleTablet500mgauthorized medicine importersPOM
TinidazoleTablet300 mgPOM
TinidazoleTablet500mgPOM
TinidazoleTablet ( Film coated )1000 mgPOM
TinidazoleTablet300mgauthorized medicine importersPOM
TinidazoleTablet2gmPOM
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