Oseltamivir (generic for Tamiflu) treats influenza, the virus that causes the flu. Oseltamivir should be started within 48 hours of influenza symptoms. In some cases, people who do not have flu symptoms are given oseltamivir to help stop them from getting the flu because they are exposed to or come into close contact with someone who has the flu.
Oseltamivir works best if started within 48 hours of influenza symptoms. Don't start using it after that. Oseltamivir is not a substitute for the annual influenza vaccination. Get your flu shot every year!
Oseltamivir can have serious side effects, including psychiatric symptoms and seizures, and serious skin reactions. There have been rare reports of healthy people becoming psychotic, hallucinating, and committing suicide after starting this medication. You should be aware that these serious side effects exist before taking oseltamivir, and immediately stop use if any side effects develop.
|Influenza treatment||75 mg by mouth twice daily for 5 days|
|Influenza prophylaxis||75 mg once daily for 10 days (and up to 6 weeks) during an outbreak|
Adult doses are shown, unless otherwise specified. Refer to weight-based dosing guidelines for pediatric patients.
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