Answer
Yes. Temporary neurological symptoms, muscle tightness or weakness can resemble a relapse. New, severe or persistent symptoms need clinical assessment.
Sources for this answer
- AVONEX 30 micrograms/0.5ml solution for injection, in pre-filled pen — Current selected SmPCemc · Summary of Product Characteristics
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.