Basic Product Information
| Generic Name (INN) | Oseltamivir phosphate |
| Canadian Brand Names / Trade Names | Tamiflu (Hoffmann-La Roche Limited); generic products include ACH-Oseltamivir Phosphate, Jamp Oseltamivir, NAT-Oseltamivir, Sandoz Oseltamivir, and others |
| ATC Code | J05AH02 |
| Available Dosage Forms and Strengths | Capsules: 30 mg, 45 mg, and 75 mg oseltamivir (as oseltamivir phosphate). Powder for oral suspension: 6 mg/mL oseltamivir when prepared |
| Manufacturers | Hoffmann-La Roche Limited (Tamiflu); Natco Pharma (Canada) Inc. (NAT-Oseltamivir); Jamp Pharma Corporation (Jamp Oseltamivir); Sandoz Canada Incorporated (Sandoz Oseltamivir); Apotex Inc. (ACH-Oseltamivir Phosphate) |
| Prescription Status | Prescription only in Canada |
Mechanism of Action
In simple terms: Tamiflu is an antiviral medicine that works against influenza (flu) viruses. It targets an enzyme on the virus surface called neuraminidase. This enzyme helps new virus particles break out of infected cells and spread to other cells. By blocking it, Tamiflu limits the spread of the virus in your respiratory tract, which can shorten how long you are sick and make symptoms milder.


