Tinidazole
Tablet
Quick Summary
Tinidazole treats amoebiasis, giardiasis and bacterial vaginosis, often with shorter courses.
Medical Uses
How it's taken
Take it with food. Avoid alcohol during and for 72 hours after.
Take it for the full course, even if you feel better, unless your doctor tells you otherwise. Don't share antibiotics or keep leftovers.
Your doctor decides the right dose for you and how long to take it.
Your doctor decides the right dose for you. Follow their instructions and the label.
Common Side Effects
Metallic taste
Common.
Nausea
Stomach upset.
Headache
Sometimes.
Interactions
Alcohol
Severe reaction.
Warfarin
Bleeding risk.
Critical Warnings
Alcohol
Avoid completely.
Pregnancy
Avoid in early pregnancy.
Severe allergic reaction
Black Box Warning: Swelling of the face or throat, difficulty breathing or a widespread rash: get emergency help.
Antibiotic resistance
Using antibiotics when they aren't needed makes them less effective for everyone.
Sources and further reading
Last updated 21 October 2026. For more detail, see these trusted health organisations.
- Tinidazole: drug information(opens in a new tab) · MedlinePlus, US National Library of Medicine