The Medical Letter on Drugs and Therapeutics
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1457
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Antiviral Drugs for Seasonal Influenza 2014-2015
Revised 1/7/15: Since publication of the Antiviral Drugs for Seasonal Influenza article, peramivir has been approved. We have updated the table to reflect this.

Antiviral drugs can be used for treatment of influenza and as an adjunct to influenza vaccination1 for prophylaxis. Frequently updated information on influenza activity and antiviral resistance is available from the CDC at www.cdc.gov/flu.

NEURAMINIDASE INHIBITORS — Oseltamivir (Tamiflu), which is taken orally, and zanamivir (Relenza), which is inhaled, can be used for chemoprophylaxis and treatment of influenza. When used for prophylaxis after exposure to susceptible strains of seasonal influenza A or B viruses, they have generally been about 70-90% effective.2

In patients with mild illness caused by a susceptible strain of influenza, starting treatment with a neuraminidase inhibitor within 48 hours after the onset of illness can ... more      

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