Beta interferons (Avonex, Betaferon; Extavia, Plegridy and Rebif)

Publish date: 
Jun 2016

MS is treated by drugs called disease modifying therapies (DMTs). Among the DMTs is a drug called beta interferon. There are five versions of it: Avonex, Plegridy, Betaferon, Extavia and Rebif. This factsheet gives you more detailed information about this drug than you’ll find on our website pages or in our booklet about DMTs. It’s one of seven factsheets that cover the DMTs currently available in the UK. 

In this factsheet you’ll find information about:

  • who can take the drug
  • how you take it
  • how good it is at controlling MS
  • side effects
  • the risks of taking it during pregnancy
  • tests you’ll need while you’re on it
  • and support for when you’re taking this and other DMTs

This factsheet is download only direct from the MS Society.

For a large print version, please contact us:

Find out more about how we produce our information.

Page last updated: 08 Nov 2016

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