Answer
The most common side effects of Plegridy (peginterferon beta-1a), at 125 micrograms subcutaneously every two weeks and occurring more often than with placebo, were injection-site redness, pain and itching, flu-like illness, fever, headache, muscle pain, chills, weakness and joint pain.
Sources for this answer
- Plegridy solution for injection in pre-filled pen and syringeBiogen Idec Ltd · emc · SmPC §4.8 Undesirable effects · Version 12Document updated
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