Zanamivir: how to take it safely
Relenza
Reviewed by Pharm. Abeeb Junior
What it is for
Treats and prevents influenza (flu).
How to take it
- Prescription medicine: take it exactly as your doctor or pharmacist told you.
- Breathe in through the inhaler device as your health worker showed you.
- Start within 48 hours of the first flu symptoms for best effect.
When to take it
Take it twice a day for 5 days to treat flu.
Take it with
Not applicable.
What to avoid
- Using it if you have severe asthma or lung disease unless your doctor says so. Keep your reliever inhaler nearby.
- Using it with a nebuliser.
Possible side effects
Cough, throat irritation, headache.
Get help if
Wheezing, tight chest or breathlessness: stop it and get urgent help.
This is general information, not personal medical advice. Always follow your doctor's or pharmacist's instructions and read the leaflet that comes with your medicine. Medicines and doses can differ between products and people.