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Brand name: Avonex

Avonex is a medicine containing the active ingredient(s) interferon beta-1a. On this page you will find out more about Avonex, including side effects, age restrictions, food interactions and whether the medicine is subsidised by the government on the pharmaceutical benefits scheme (PBS)

You should seek medical advice in relation to medicines and use only as directed by a healthcare professional. Always read the label. If symptoms persist see your healthcare professional. healthdirect medicines information is not intended for use in an emergency. If you are suffering an acute illness, overdose, or emergency condition, call triple zero (000) and ask for an ambulance.

Reasonable care has been taken to provide accurate information at the time of creation. This information is not intended to substitute medical advice, diagnosis or treatment and should not be exclusively relied on to manage or diagnose a medical condition. Please refer to our terms and conditions.

Active ingredient in this medicine: interferon beta-1a

Pack size information

Please select the pack size from the options directly below to view information on the medicine.

Information for medicine and pack size:
Avonex (4 x 6 million units (30 microgram) vials, 4 x 1 mL inert diluent syringes), 1 pack

Consumer Medicine Information leaflet:

No consumer medicine information leaflet was found for the pack size you selected. It may be unavailable or there may be a technical problem. You should speak to your pharmacist, healthcare professional, or call healthdirect on 1800 022 222 for more information.

What this medicine is for

INDICATIONS: For the treatment of relapsing forms of multiple sclerosis. Prolonged safety has not been established. INDICATIONS AS AT 9 OCTOBER 2001: For the treatment of relapsing forms of multiple sclerosis. Also for use in patients who have experienced a single demyelinating event and are at risk of developing clinically definite multiple sclerosis based on the presence of brain MRI abnormalities characteristic of MS.

Table of characteristics
Table of characteristics
Active ingredient
Medicine schedule
4 vials, powder for injection: Prescription Only Medicine, or Prescription Animal Remedy
4 prefilled diluent syringes: Not scheduled. Not considered by committee
Part 1
Part 1
Visual appearance White/off-white cake (lyophilised powder) in a glass vial with bromobutyl rubber stopper and aluminium crimp seal.
Dosage Form Injection, powder for
Route of administration Intramuscular
Part 2
Part 2
Visual appearance Clear colourless liquid practically free from suspended particles.
Dosage Form Diluent, not applicable
Route of administration Intramuscular

There is one type of pack available.

Pack type 1
Pack type 1
Type Multiple containers
Storage temperature Store below 25 degrees Celsius
Storage conditions No information available
Life time 3 Years
We were unable to verify that this medicine is available on the PBS (Pharmaceutical Benefits Scheme). Please consult your pharmacist if you need further information

The PBS provides a list of government subsidised medicines available to be dispensed to patients. Further information can be found on the Pharmaceutical Benefits Scheme website.

Go to PBS site

Is this medication banned in sport?

Check if you can use your medicine whilst playing sport. Search the Australian Sports Anti-Doping Authority (ASADA) database that provides information about the prohibited status of specific medications and/or the active ingredient based on the current World Anti-Doping Agency (WADA) Prohibited List.

Go to ASADA site

The information displayed on this page is authored by Healthdirect Australia, or obtained from trusted sources.

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Found 3 results

Avonex | myVMC

Avonex is used to treat multiple sclerosis. It contains interferon beta-1a which acts like interferon produced by the body's immune system.

Read more on myVMC – Virtual Medical Centre website

Avonex Powder for injection -

Avonex Powder for injection - Consumer Medicines Information leaflets of prescription and over-the-counter medicines

Read more on myDr – Consumer Medicine Information website

Multiple sclerosis (MS) -

Multiple sclerosis (MS) is a chronic, often disabling disease that attacks the central nervous system; new immunomodifying treatments have recently become available.

Read more on myDr website

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