Oseltamivir is used to treat and prevent influenza (‘the flu’).
Take oseltamivir regularly as directed. You can take it with or without food but if you find it upsets your stomach try taking it with food. Keep taking it until the course is finished, even if you start to feel better. If you are taking it to treat the flu, you need to start it within 2 days of getting symptoms.
Capsule: Swallow whole with a glass of water.
Liquid: Measure carefully with an oral syringe or measuring spoon. Shake the bottle well before measuring each dose.
Take the missed dose as soon as possible and continue as directed.
Tell your pharmacist or doctor about all medicines or treatments that you may be taking, including vitamins, herbal products or recreational drugs.
|Side Effects||Recommended action|
Symptoms of allergy including: skin rash, itching, swelling, trouble breathing
Severe or persistent diarrhoea, abdominal pain, blood in bowel motions
|Tell your doctor immediately|
|Tell your doctor if troublesome|
|Take with food|
If you notice any other effects, discuss them with your doctor or pharmacist.
This leaflet contains important, but not all, information about this medicine.
Prepared by the MyMedicines Committee at Christchurch Hospital, Te Whatu Ora - Waitaha, New Zealand. September 2023
For more general information about this sheet and its contents, see: What does a My Medicines sheet cover?
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My Medicines Patient Information Leaflets (PILs) contain important, but not all, information about the medicines they describe.
For more information about the sheets, see: What does a My Medicines sheet cover?
My Medicines is developed by a team at Te Whatu Ora – Waitaha. Our team is made up of doctors, pharmacists, and a non-medical person to help us keep to plain language. We also discuss our information with specialist health professionals or groups when needed