- It is used to treat or prevent the flu.
- If you have an allergy to oseltamivir or any other part of this drug.
- If you are allergic to any drugs like this one, any other drugs, foods, or other substances. Tell your doctor about the allergy and what signs you had, like rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.
- If you have kidney disease.
- Tell all of your health care providers that you take this drug. This includes your doctors, nurses, pharmacists, and dentists.
- 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.
- This drug does not stop the spread of the flu to others.
- Talk with your doctor before getting a flu vaccine after taking this drug. Talk with your doctor before you take this drug if you have just gotten a flu vaccine.
- Tell your doctor if you are pregnant or plan on getting pregnant. You will need to talk about the benefits and risks of using this drug while you are pregnant.
- Tell your doctor if you are breast-feeding. You will need to talk about any risks to your baby.
- This drug has sorbitol in it and may lead to upset stomach and diarrhea in people who have fructose intolerance. Talk with the doctor.
- Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
- People with the flu can have nervous system problems and behavior problems that can lead to death. The chance may be higher in children. Call your doctor right away if you have change in thinking clearly and with logic, change in the way you act, speech problems, shakiness, seizures, or hallucinations.
- A very bad skin reaction (Stevens-Johnson syndrome/toxic epidermal necrolysis) may happen. It can cause very bad health problems that may not go away, and sometimes death. Get medical help right away if you have signs like red, swollen, blistered, or peeling skin (with or without fever); red or irritated eyes; or sores in your mouth, throat, nose, or eyes.
- Upset stomach or throwing up.
- Loose stools (diarrhea).
- Take with or without food. Take with food if it causes an upset stomach.
- To gain the most benefit, do not miss doses.
- Keep taking this drug as you have been told by your doctor or other health care provider, even if you feel well.
- If you have trouble swallowing this drug, talk with your doctor. If your doctor tells you to, you may mix contents of the capsule with a sweet liquid like chocolate syrup, caramel topping, corn syrup, or light brown sugar melted in water.
- Shake well before use.
- Measure liquid doses carefully. Use the measuring device that comes with this drug. If there is none, ask the pharmacist for a device to measure this drug.
- Take a missed dose as soon as you think about it.
- If it is less than 2 hours until 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.
- Store at room temperature.
- Store liquid in a refrigerator. Do not freeze. Throw away any part not used after 17 days.
- You may also store at room temperature. If you do, throw away any part not used after 10 days.
- Store in a dry place. Do not store in a bathroom.
- Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
- Check with your pharmacist about how to throw out unused drugs.
- If your symptoms or health problems do not get better or if they become worse, call your doctor.
- Do not share your drugs with others and do not take anyone else’s drugs.
- Keep a list of all your drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your doctor.
- Talk with the doctor before starting any new drug, including prescription or OTC, natural products, or vitamins.
- Some drugs may have another patient information leaflet. If you have any questions about this drug, please talk with your doctor, nurse, pharmacist, or other health care provider.
- If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.