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Oseltamivir
Pronounced oh-sel-TAM-i-veer
Brand names: Tamiflu
Type: Antiviral (influenza) · All Antibiotics & Infection Medicines
What Oseltamivir is used for
- Treating influenza (flu)
- Preventing influenza after exposure
◆ Kidney note
Dose is lowered when kidney function is reduced, with special schedules used in dialysis.
Common side effects
- Nausea
- Vomiting
- Headache
- Stomach pain
Important cautions
- Works best when started soon after flu symptoms begin
- Unusual behavior or confusion in children with flu should be reported promptly
How it comes
Capsules, liquid. This guide lists forms only — it never lists strengths or doses.
Related medicines — Antibiotics & Infection Medicines
Please note: This page is a patient-education summary, not medical advice, and it deliberately contains no doses. Medicines affect everyone differently — always follow your own prescription and talk to your doctor or pharmacist before starting, stopping or changing any medicine.