Oseltamivir is used to treat symptoms caused by the flu virus (influenza). It helps make the symptoms (such as stuffy nose, cough, sore throat, fever/chills, aches, tiredness) less severe and shortens the recovery time by 1-2 days.This medication may also be used to prevent the flu if you have been exposed to someone who already has the flu (such as a sick household member) or if there is a flu outbreak in the community. Talk to your doctor for more details.This medication works by stopping the flu virus from growing. It is not a substitute for the flu vaccine. (See also Notes section.
How to use
Read the Patient Information Leaflet if available from your pharmacist before you start taking this medicine. If you have any questions, consult your doctor or pharmacist.
Take this medication by mouth with or without food. You may take it with food or milk to minimize stomach upset. Take this medication as soon as flu symptoms appear or as soon as possible after you have been exposed to the flu. Oseltamivir works best if you start taking it within 2 days of either of these events.
Shake the bottle well before each dose. Your pharmacist will provide you with an oral dosing dispenser. Measure each dose carefully using the device as instructed. Be careful not to confuse the dose of oseltamivir in milligrams (mg) with the dose in milliliters (ml). Your pharmacist should show you exactly how much medication to use for each dose. Give the dose directly in the mouth. Do not mix with other liquids. After each use, rinse the dispenser with tap water and let it air dry. If you lose or damage the dosing dispenser, consult your pharmacist on what oral syringe you should use instead, and how to correctly measure the dose.
If you have the flu, take oseltamivir as directed by your doctor, usually twice a day for 5 days.
To prevent the flu, take oseltamivir as directed by your doctor, usually once a day for at least 10 days. Follow your doctor's instructions for how long to take this medicine.
This medication works best when the amount of medicine in your body is kept at a constant level. Take this drug at evenly spaced intervals at the same time(s) every day. Continue to take it for the full time prescribed. Stopping the medication too early may allow the virus to continue to grow, which may result in a relapse of the infection or failure to protect you from the flu.
Tell your doctor if your condition persists or worsens or if new symptoms appear.
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CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.