Zanamivir Oral Inhalation
Zanamivir is used in adults and children at least 7 years of age to treat some types of influenza (‘flu’) in people who have had symptoms of the flu for less than 2 days. This medication is also used to prevent some types of flu in adults and children at least 5 years of age when they have spent time with someone who has the flu or when there is a flu outbreak. Zanamivir is in a class of medications called neuraminidase inhibitors. It works by stopping the growth and spread of the flu virus in your body. Zanamivir helps shorten the time you have flu symptoms such as nasal congestion, sore throat, cough, muscle aches, tiredness, weakness, headache, fever, and chills.
🔔 How should this medicine be used?
Zanamivir comes as a powder to inhale (breathe in) by mouth. To treat influenza, it is usually inhaled twice daily for 5 days. You should inhale the doses about 12 hours apart and at the same times each day. However, on the first day of treatment, your doctor may tell you to inhale the doses closer together. To help prevent the spread of influenza in people living in the same household, zanamivir is usually inhaled once a day for 10 days. To help prevent the spread of influenza in a community, zanamivir is usually inhaled once a day for 28 days. When using zanamivir to prevent influenza, it should be inhaled at around the same time every day. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Use zanamivir exactly as directed. Do not use more or less of it or use it more often than prescribed by your doctor.
Zanamivir comes with a plastic inhaler called a Diskhaler (device for inhaling powder) and five Rotadisks (circular foil blister packs each containing four blisters of medication). Zanamivir powder can only be inhaled using the Diskhaler provided. Do not remove the powder from the packaging, mix it with any liquid, or inhale it with any other inhalation device. Do not put a hole in or open any medication blister pack until inhaling a dose with the Diskhaler.
Carefully read the manufacturer’s instructions that describe how to prepare and inhale a dose of zanamivir using the Diskhaler. Be sure to ask your pharmacist or doctor if you have any questions about how to prepare or inhale this medication.
If you use an inhaled medication to treat asthma, emphysema, or other breathing problems and you are scheduled to use that medication at the same time as zanamivir, you should use your regular inhaled medication before using zanamivir.
The use of the inhaler by a child should be supervised by an adult who understands how to use zanamivir and has been instructed in its use by a healthcare provider.
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Continue to take zanamivir even if you start to feel better. Do not stop taking zanamivir without talking to your doctor.
If you feel worse or develop new symptoms during or after treatment, or if your flu symptoms do not start to get better, call your doctor.
Ask your pharmacist or doctor for a copy of the manufacturer’s information for the patient.
