Answer
Do not stop it without specialist advice. Multiple-sclerosis activity may return after withdrawal, and the timing of any replacement therapy must account for lingering immune effects.
Sources for this answer
- Tysabri 150 mg solution for injection in pre-filled syringe — Current selected SmPCemc · Summary of Product Characteristics
- TYSABRI 300 mg concentrate for solution for infusion — Current selected SmPCemc · Summary of Product Characteristics
- UK Teratology Information ServiceUK Teratology Information Service · Reputable Web
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.