About oseltamivi r
Neuraminidase inhibitor antiviral
Used for
- Treats influenza A and B
- Prevents influenza after close exposure
Usual adult dose
Treatment: 75 mg twice daily for 5 days. Prevention: 75 mg once daily, usually 10 days.
Usual dose in children
Treatment and prevention doses depend on age and weight; used from 2 weeks of age under medical supervision.
Common side effects
- Nausea or vomiting
- Headache
- Stomach pain
- Rare serious skin or allergic reactions
Important warnings
- Works best when started within 48 hours of symptoms.
- Dose adjustment may be needed with kidney impairment.
- Seek urgent care for severe rash, swelling, or breathing difficulty.
- Does not replace annual influenza vaccination.
Pregnancy
May be used during pregnancy when treatment or prevention is indicated; influenza itself can be serious.
Breastfeeding
Limited information is available; oseltamivir is generally considered compatible with breastfeeding when needed.
Interactions
- Live attenuated nasal influenza vaccine: avoid around treatment; timing depends on vaccine guidance.
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 It may be incomplete or out of date.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.