Relenza (Zanamivir) - Inhalation: Uses, Side Effects, Dosages - Verywell Health
What Is Relenza? Relenza ( zanamivir ) is a prescription option for influenza (flu) type A and B infections. People 7 years of age and older may use Relenza to treat the flu if they've had fewer than two days of symptoms. People at least 5 years of age and older can use Relenza to prevent the flu. If you're a resident of a skilled nursing or long-term care facility, however, Relenza may not be prescribed to you since it isn't proven to be an effective preventive option in such settings. Also, this medication is not recommended for flu prevention or treatment in people with lung conditions, such as asthma or chronic obstructive pulmonary disease (COPD). As an influenza virus neuraminidase inhibitor (NAI), Relenza works by blocking neuraminidase (NA) and preventing it from working. NA is a type of protein responsible for releasing viruses from your infected cells and encouraging the spread of the flu. Relenza is available as a powder. You will...