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Zanamivir can help treat and prevent type A and type B influenza. This prescription medication works by inhibiting a certain enzyme, which prevents the release of the virus from infected cells. The drug comes in the form of a powder that is typically inhaled once or twice daily. Before taking it, tell your healthcare provider about all other medications you are taking.
What Is Zanamivir?Zanamivir (Relenza®) is a prescription medication used to treat and prevent the flu (influenza). When taken at the first signs of the flu, the drug shortens the duration of flu symptoms. When taken before a person has the flu, such as during a flu outbreak, it can help prevent the flu. Unlike other flu medicines, zanamivir is inhaled.
- Sinus infections
- Joint pain.