"Oct. 31, 2012 -- Two new trials offer proof that a leukemia drug long used to treat multiple sclerosis works better than a common treatment.
When compared with the widely used drug interferon beta, the leukemia drug alemtuzumab reduce"...
Safety of doses higher than 300 mg has not been adequately evaluated. The maximum amount of TYSABRI that can be safely administered has not been determined.
- TYSABRI is contraindicated in patients who have or have had progressive multifocal leukoencephalopathy (PML) [see WARNINGS AND PRECAUTIONS].
- TYSABRI is contraindicated in patients who have had a hypersensitivity reaction to TYSABRI. Observed reactions range from urticaria to anaphylaxis [see WARNINGS AND PRECAUTIONS].
Last reviewed on RxList: 6/1/2016
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