Relenza

Relenza is a medicine used to treat the flu and help stop it from spreading. It helps you feel better and get well faster.

Form

inhalaatiojauhe, annosteltu

Strength

5 mg/annos

Active Ingredient

Zanamivir

Manufacturer

GlaxoSmithKline Oy

How to Use

For adults and children aged 5 and older, the usual dose is 2 inhalations, twice a day, for 5 days.

You breathe this powdered medicine into your lungs through your mouth using a special device called a Diskhaler.

Important

Do not take more than 4 inhalations in one day.

COMMON

RARE

•Severe allergic reaction, like widespread itchy rash (hives), swelling of face, mouth, or throat, trouble breathing, or fainting.
•Serious skin reactions, like a rash with blisters that look like small targets, or widespread rash with blisters and peeling skin (Stevens-Johnson syndrome, toxic epidermal necrolysis).
•Tight feeling in your throat or chest, shortness of breath, or sudden difficulty breathing (especially if you have an existing lung condition).
•Feeling dizzy or fainting.
•Changes in behavior like confusion, seeing or hearing things that aren't real (hallucinations), or seizures that might make you lose consciousness.

Do not use Relenza if you are allergic to zanamivir (the active ingredient) or milk protein.
Do not give Relenza to children under 5 years old.
If you feel a tightening in your throat or chest, or have trouble breathing, stop using Relenza and get medical help right away.
Tell your doctor if you have asthma, COPD, or any other lung condition before starting Relenza.
If you use other inhalers for asthma or breathing problems, take them a few minutes before Relenza. Always have your quick-relief inhaler nearby.

Show 2 more warnings

If you are pregnant, breastfeeding, or planning to get pregnant, talk to your doctor before using Relenza. Do not breastfeed while using this medicine.
Take all doses for the full treatment time (usually 5 days), even if you feel better. Stopping early can make flu symptoms return.

ATC Code: J05AH01