The Medical Letter on Drugs and Therapeutics
Antiviral Drugs for Influenza 2013-2014
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Antiviral drugs can be used for treatment of influenza and as an adjunct to influenza vaccination1 for prophylaxis. Frequently updated information on antiviral resistance is available at

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

In mild illness, treatment with a neuraminidase inhibitor started within 48 hours after the onset of illness in patients infected with a susceptible strain of influenza virus can decrease the duration of fever and ... more      

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Title: Antiviral Drugs for Influenza 2013-2014
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