Beta interferons (Avonex, Plegridy and Rebif) (factsheet)
MS is treated by drugs called disease modifying therapies (DMTs). Among the DMTs is a drug called beta interferon. In the UK doctors prescribe three versions of it: Avonex, Plegridy and Rebif. Two others, Extavia and Betaferon are no longer available.
Download this factsheet for information about this drug including:
- what are beta interferons
- who can take beta interferons
- how they work
- side effects
- beta interferons and pregnancy
This factsheet is available for you to download and print. You can find more information on our webpages about beta interferons
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