oseltamivir, Tamiflu (cont.)

Pharmacy Author:
Medical and Pharmacy Editor:

Oseltamivir  is not approved to prevent the flu in this age group.

Oseltamivir also is used for preventing the flu in healthy individuals 1 year and older, but it is not a substitute for flu vaccine.

It also is used off-label for prevention and treatment of H1N1 (swine flu). During the H1N1 outbreak of 2009, the FDA approved emergency use of oseltamivir for children less than 1 year old.

SIDE EFFECTS: The most frequent side effects of oseltamivir are:

Administering oseltamivir after meals helps reduce nausea.

Other reported adverse events include:



PREPARATIONS: Capsules: 30, 45, and 75 mg. Suspension: 6 mg/ml and 12 mg/ml

STORAGE: Oseltamivir should be stored at room temperature, 15 C to 30 C (59 F to 86 F).

DOSING: Oseltamivir is administered orally. For the best results, treatment should begin within 2 days of symptom onset or exposure.

  • The recommended dose for treating adults with flu is 75 mg twice daily for five days.
  • Children are treated with 30-75 mg twice daily for five days. Dosing depends on body weight.
  • The adult dose for prevention of flu is 75 mg daily for 10 days. Children receive 30-75 mg once daily for 10 days.
Medically Reviewed by a Doctor on 12/29/2014

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