The Medical Letter on Drugs and Therapeutics
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1381
Antiviral Drugs for Influenza
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Antiviral drugs can be used for treatment and prophylaxis of influenza. In recent years, the susceptibility of circulating influenza strains has evolved rapidly and treatment recommendations have changed during the influenza season. The CDC influenza website provides frequently updated information on antiviral resistance (www.cdc.gov/flu).

NEURAMINIDASE INHIBITORS — Oseltamivir (Tamiflu), which is taken orally, and zanamivir (Relenza), which is inhaled, have generally been about 70-90% effective for chemoprophylaxis after exposure to susceptible strains of seasonal influenza A or B.1

Treatment with a neuraminidase inhibitor started within 48 hours after the onset of illness in patients infected with a susceptible strain of influenza can decrease the duration of symptoms.2 ... more      

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Title: Antiviral Drugs for Influenza
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