About secnidazole
Nitroimidazole antimicrobial
Used for
- Treats trichomoniasis and bacterial vaginosis
- Treats intestinal amoebiasis and giardiasis
Usual adult dose
Common regimens use a single 2 g dose; amoebiasis may require 2 g daily for three days.
Usual dose in children
For giardiasis or amoebiasis, often 30 mg/kg once daily for one to three days; maximum 2 g daily.
Common side effects
- Nausea, abdominal discomfort, or diarrhea
- Headache or dizziness
- Unpleasant or metallic taste
- Vaginal yeast infection
Important warnings
- Avoid alcohol during treatment and for 48 hours afterward.
- Use caution with liver disease or blood disorders.
- Seek medical care for severe rash, numbness, or seizures.
- Complete the prescribed regimen; partners may also need treatment for trichomoniasis.
Pregnancy
Use only when clearly needed; pregnancy guidance varies by infection and local labeling.
Breastfeeding
Secnidazole passes into breast milk; avoid breastfeeding during treatment and for 96 hours after the dose.
Interactions
- Warfarin and related anticoagulants: may increase bleeding risk.
- Lithium: blood levels may rise.
- Disulfiram: avoid concurrent use.
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 It may be incomplete or out of date.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.