Answer
Plegridy (peginterferon beta-1a) solution in either a pre-filled syringe or pen must not be injected if it is coloured, cloudy or contains floating particles; it must be clear and colourless.
Sources for this answer
- Plegridy solution for injection in pre-filled pen and syringeBiogen Idec Ltd · emc · SmPC §4.2 Posology and method of administration · Version 12Document updated
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