Answer
Yes, clinically significant liver injury has been reported. Prompt assessment is needed for jaundice, dark urine, persistent nausea or unexplained tiredness.
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
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