This information from Lexicomp® explains what you need to know about this medication, including what it’s used for, how to take it, its side effects, and when to call your healthcare provider.
Brand Names: US
Tamiflu
Brand Names: Canada
JAMP Oseltamivir; MAR-Oseltamivir [DSC]; MINT-Oseltamivir; NAT-Oseltamivir; SANDOZ Oseltamivir; Tamiflu
What is this drug used for?
- It is used to treat or prevent the flu.
- It may be given to your child for other reasons. Talk with the doctor.
What do I need to tell the doctor BEFORE my child takes this drug?
- If your child is allergic to this drug; any part of this drug; or any other drugs, foods, or substances. Tell the doctor about the allergy and what signs your child had.
- If your child has kidney disease.
This is not a list of all drugs or health problems that interact with this drug.
Tell the doctor and pharmacist about all of your child’s drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe to give this drug with all of your child’s other drugs and health problems. Do not start, stop, or change the dose of any drug your child takes without checking with the doctor.
What are some things I need to know or do while my child takes this drug?
All products:
- Tell all of your child’s health care providers that your child is taking this drug. This includes your child’s doctors, nurses, pharmacists, and dentists.
- This drug is not to be given in place of a flu shot. If your child’s doctor told you your child needs the flu shot, your child needs 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 the doctor before having your child get a flu vaccine after taking this drug. Talk with the doctor before your child takes this drug if your child has just gotten a flu vaccine.
If your child is pregnant or breast-feeding a baby:
- Talk with the doctor if your child is pregnant, becomes pregnant, or is breast-feeding a baby. You will need to talk about the benefits and risks to your child and the baby.
Liquid (suspension):
- This drug has sorbitol in it and may lead to upset stomach and diarrhea in people who have fructose intolerance. Talk with the doctor.
What are some side effects that I need to call my child’s doctor about right away?
WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your child’s doctor or get medical help right away if your child has any of the following signs or symptoms that may be related to a very bad side effect:
- 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, swallowing, 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 the doctor right away if your child has confusion, a change in behavior, speech problems, shakiness, seizures, or hallucinations.
- A severe skin reaction (Stevens-Johnson syndrome/toxic epidermal necrolysis) may happen. It can cause severe health problems that may not go away, and sometimes death. Get medical help right away if your child has signs like red, swollen, blistered, or peeling skin (with or without fever); red or irritated eyes; or sores in the mouth, throat, nose, or eyes.
What are some other side effects of this drug?
All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your child’s doctor or get medical help if any of these side effects or any other side effects bother your child or do not go away:
- Diarrhea, upset stomach, or throwing up.
- Headache.
These are not all of the side effects that may occur. If you have questions about side effects, call your child’s doctor. Call your child’s doctor for medical advice about side effects.
You may report side effects to your national health agency.
How is this drug best given?
Give this drug as ordered by your child’s doctor. Read all information given to you. Follow all instructions closely.
All products:
- Give this drug with or without food. Give with food if it causes an upset stomach.
- Keep giving this drug to your child as you have been told by your child’s doctor or other health care provider, even if your child feels well.
Capsules:
- If your child has trouble swallowing this drug, talk with the doctor. If the 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 dissolved in water.
- A liquid (suspension) can be made from the capsules if needed. Talk with the doctor or pharmacist.
Liquid (suspension):
- 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.
What do I do if my child misses a dose?
- Give a missed dose as soon as you think about it.
- If it is less than 2 hours until your child’s next dose, skip the missed dose and go back to your child’s normal time.
- Do not give 2 doses at the same time or extra doses.
How do I store and/or throw out this drug?
Capsules:
- Store at room temperature in a dry place. Do not store in a bathroom.
- If a liquid (suspension) is made from the capsules, store in a refrigerator. Do not freeze. Throw away any part not used after 35 days. You may also store at room temperature. If you do, throw away any part not used after 5 days.
Liquid (suspension):
- 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 the outer carton to protect from light.
- Store in a dry place. Do not store in a bathroom.
All products:
- Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
- Throw away unused or expired drugs. Do not flush down a toilet or pour down a drain unless you are told to do so. Check with your pharmacist if you have questions about the best way to throw out drugs. There may be drug take-back programs in your area.
General drug facts
- If your child’s symptoms or health problems do not get better or if they become worse, call your child’s doctor.
- Do not share your child’s drug with others and do not give anyone else’s drug to your child.
- Some drugs may have another patient information leaflet. If you have any questions about this drug, please talk with your child’s 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.
Consumer Information Use and Disclaimer
This generalized information is a limited summary of diagnosis, treatment, and/or medication information. It is not meant to be comprehensive and should be used as a tool to help the user understand and/or assess potential diagnostic and treatment options. It does NOT include all information about conditions, treatments, medications, side effects, or risks that may apply to a specific patient. It is not intended to be medical advice or a substitute for the medical advice, diagnosis, or treatment of a health care provider based on the health care provider’s examination and assessment of a patient’s specific and unique circumstances. Patients must speak with a health care provider for complete information about their health, medical questions, and treatment options, including any risks or benefits regarding use of medications. This information does not endorse any treatments or medications as safe, effective, or approved for treating a specific patient. UpToDate, Inc. and its affiliates disclaim any warranty or liability relating to this information or the use thereof. The use of this information is governed by the Terms of Use, available at https://www.wolterskluwer.com/en/know/clinical-effectiveness-terms.
Last Reviewed Date
2024-05-15
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