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Zanamivir

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Notes
Related terms
Uses
Dosing
Safety
Author information

Notes

    Related terms
    • Brand Names: U.S.: Relenza®
    • Brand Names: Canada: Relenza®

    Uses
    • It is used to stop or treat the flu.
    • Zanamivir works to harm the virus and fight the infection.

    Dosing

    How to take

    • To gain the most benefit, do not miss doses.
    • Use as you have been told, even if you are feeling better.
    • For breathing in only.
    • Start this drug as soon as you can.
    • Take in the morning and evening for 5 days.
    • Take 2 doses on the first day of care if you can. Space the doses by at least 2 hours that first day.
    • Drink lots of noncaffeine liquids unless told to drink less liquid by your doctor.

    Missed Dose

    • Take a missed dose as soon as you think about it.
    • If it is close to the time for your next dose, skip the missed dose and go back to your normal time.
    • Do not take 2 doses at the same time or extra doses.

    Storage

    • Store at room temperature.

    Safety



    Avoid

    • If you have an allergy to zanamivir or any other part of this drug.
    • If you are allergic to milk, talk with the doctor.
    • Tell your doctor if you are allergic to any drugs. Make sure to tell about the allergy and what signs you had. This includes telling about rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.

    Precautions

    • This drug is not to be taken in place of a flu shot. If your doctor told you to get the flu shot, you need to get it.
    • If you have lung disease, talk with your doctor. This drug is not often used in patients with these diseases.
    • Check all drugs you are taking with your doctor. This drug may not mix well with some other drugs.
    • Keep a list of all your drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your doctor.
    • Tell your doctor if you are pregnant or plan on getting pregnant.
    • Tell your doctor if you are breast-feeding.

    Side Effects

    • Headache.
    • Nose and throat irritation.
    • Sore throat.
    • Cough.

    Contact a healthcare provider

    • If you think there was an overdose, call your local poison control center or ER right away.
    • Signs of a very bad reaction to the drug. These include wheezing; chest tightness; fever; itching; bad cough; blue or gray skin color; seizures; or swelling of face, lips, tongue, or throat.
    • Trouble breathing.
    • Very bad problems with how you act.
    • Change in thinking clearly and with logic.
    • Any rash.
    • Side effect or health problem is not better or you are feeling worse.

    General Statements

    • If you have a very bad allergy, wear an allergy ID at all times.
    • Do not share your drugs with others and do not take anyone else's drugs.
    • Keep all drugs out of the reach of children and pets.
    • Most drugs may be thrown away in household trash after mixing with coffee grounds or kitty litter and sealing in a plastic bag.
    • In Canada, take any unused drugs to the pharmacy. Also, visit http://www.hc-sc.gc.ca/hl-vs/iyh-vsv/med/disposal-defaire-eng.php#th to learn about the right way to get rid of unused drugs.
    • Keep a list of all your drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your doctor.
    • Call your doctor for help with any side effects. If in the U.S., you may also call the FDA at 1-800-FDA-1088 or if in Canada, you may also call Health Canada's Vigilance Program at 1-866-234-2345.
    • Talk with the doctor before starting any new drug, including OTC, natural products, or vitamins.

    Author information
    • Copyright © 1978-2013 Lexi-Comp Inc. All rights reserved.

    Copyright © 2011 Natural Standard (www.naturalstandard.com)


    The information in this monograph is intended for informational purposes only, and is meant to help users better understand health concerns. Information is based on review of scientific research data, historical practice patterns, and clinical experience. This information should not be interpreted as specific medical advice. Users should consult with a qualified healthcare provider for specific questions regarding therapies, diagnosis and/or health conditions, prior to making therapeutic decisions.

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