Oseltamivir
Also sold as: Tamiflu
Prescription neededAntivirals
Comes as:CapsuleSuspension
Usual adult dose
Usual adult dose for flu: 75 mg twice a day for 5 days, best started within 48 hours of the first symptoms. Prevention after close contact: 75 mg once a day for 10 days. Children: dose by weight — ask your doctor.
Your doctor may give you a different dose. Children's doses depend on weight.
Side effects
Common
- nausea
- vomiting
- headache
- stomach pain
Serious — get help
Stop taking it and see a doctor straight away if you notice:
- severe allergic reaction
- severe skin rash
- sudden confusion or unusual behaviour (mostly in children and teenagers)
Do not take it, or take care, if
- Known allergy to oseltamivir
- Severe kidney disease (dose must be reduced)
Interactions
No important interactions are listed in our database. Still tell your doctor or pharmacist everything you take.