About tinidazole
Nitroimidazole antimicrobial
Used for
- Treats trichomoniasis, giardiasis, and amoebiasis
- Treats bacterial vaginosis in adults
Usual adult dose
Trichomoniasis: 2 g once. Giardiasis: 2 g once. Amoebiasis: 2 g daily for 3 days; bacterial vaginosis: 2 g daily for 2 days.
Usual dose in children
Giardiasis: 50 mg/kg once, maximum 2 g. Amoebiasis: 50 mg/kg daily for 3 days, maximum 2 g daily.
Common side effects
- Metallic or bitter taste
- Nausea, indigestion, or abdominal discomfort
- Headache or dizziness
- Dark urine
Important warnings
- Avoid alcohol during treatment and for 3 days afterward.
- May cause seizures or numbness; discontinue and seek assessment if these occur.
- Use cautiously with blood thinners such as warfarin.
- Complete the prescribed course, even if symptoms improve.
Pregnancy
Avoid during the first trimester unless clearly necessary; use later in pregnancy only when prescribed.
Breastfeeding
Avoid breastfeeding during treatment and for 72 hours after the last dose.
Interactions
- Alcohol may cause flushing, vomiting, and cramps.
- Warfarin and other coumarin anticoagulants may have increased effects.
- Lithium levels may rise.
- Phenytoin or phenobarbital can alter tinidazole levels.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.