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Oseltamivir

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Notes
Related terms
Uses
Dosing
Safety
Author information

Notes

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

    Uses
    • It is used to stop or treat the flu.
    • Oseltamivir 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.
    • Start this drug within 2 days of flu signs (these include fever, cough, headache, feeling tired, weak muscles, or sore throat).
    • Take with or without food. Take with food if it causes an upset stomach.
    • Drink lots of noncaffeine liquids unless told to drink less liquid by your doctor.
    • Liquid:
    • Shake well before use.
    • Only use the measuring device that comes with this liquid drug.
    • The measuring device that comes with the liquid will be in milliliters (mL) amounts. Read drug label carefully and call your doctor if the label amount does not match the measuring device amounts.
    • Those who have feeding tubes may also use the liquid. Flush the feeding tube before and after this drug is given.

    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 capsules at room temperature.
    • Protect capsules from water. Do not store in a bathroom or kitchen.
    • Store liquid in a refrigerator. Do not freeze. Throw away any part not used after 17 days.

    Safety



    Avoid

    • If you have an allergy to oseltamivir or any other part of this drug.
    • 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.
    • This drug does not treat the common cold.
    • If you have heart disease, talk with your doctor.
    • If you have kidney disease, talk with your doctor.
    • If you have liver disease, talk with your doctor.
    • If you have lung disease, talk with your doctor.
    • 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

    • Feeling dizzy. Rise slowly over a few minutes when sitting or lying down. Be careful climbing.
    • Belly pain.
    • Upset stomach or throwing up. Many small meals, good mouth care, sucking hard, sugar-free candy, or chewing sugar-free gum may help.
    • Loose stools (diarrhea).
    • Headache.
    • Feeling tired or weak.

    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.
    • Very bad problems with how you act.
    • Change in thinking clearly and with logic.
    • Very upset stomach or throwing up.
    • 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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