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Relenza

Brand Names

; Relenza®

Antiviral Agent

This medicine is used to treat the flu. It shortens the length of symptoms by about 1 day. It will do nothing for the common cold. It may be used for adults and children 7 years or older.

Zanamivir prevents the flu from spreading inside the body. You already have the flu, but this medicine attacks the flu virus.

To gain the most benefit, do not miss doses.
Take 2 doses on the first day of treatment if possible. Separate by at least 2 hours that first day.
For inhaling (puffing) only.
Begin medicine as soon as possible. Start as soon as you get it.
Take in the morning and evening for 5 days.
Read and follow directions enclosed with medicine. If you are not sure how to use then talk with healthcare provider.
Children who use should be instructed by an adult for correct use.
Make sure you are drinking enough liquids unless told to drink less by healthcare provider. Avoid products with caffeine.
Take entire prescription as directed even if feeling better.

Take a missed dose as soon as possible.
If it is almost time for the next dose, skip the missed one. Return to your regular schedule.
Do not take a double dose or extra doses.

This medicine is not to be taken in place of the flu shot. If healthcare provider has recommended the flu shot then you need to get it.
Tell healthcare provider if you have lung disease such as asthma or chronic obstructive pulmonary disease. This medicine is not generally used in patients with these diseases.
Tell healthcare provider if you are allergic to any medicine. Make sure to tell about the allergy and how it affected you. This includes telling about rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, throat; or any other symptoms involved.
Tell healthcare provider if you are pregnant or plan on getting pregnant.
Tell healthcare provider if you are breast-feeding.

Nasal and throat discomfort.
Headache. Mild pain medicine may help.
Cough.
Nausea or vomiting. Small frequent meals, frequent mouth care, sucking hard candy, or chewing gum may help.
Diarrhea.

Signs of a life-threatening reaction. These include wheezing; tightness in the chest; fever; itching; bad cough; blue skin color; fits; swelling of face, lips, tongue, throat.
Any wheezing or shortness of breath after using the medicine. Stop using the medicine.
Any rash.
No improvement in condition or feeling worse after 3 or 4 days.

Do not share your medicine with others and do not take anyone else's medicine.
Keep all medicine out of the reach of children and pets.
Keep a list of all your medicines (prescription, herbal/supplements, vitamins, over-the-counter) with you. Give this list to healthcare provider (doctor, nurse, pharmacist, physician assistant).
Talk with healthcare provider before starting any new medicine, including over-the-counter or natural products (herbs, vitamins).