"By Kathleen Doheny
WebMD Health News
Reviewed by Michael W. Smith, MD
Dec. 30, 2013 -- The FDA has rejected the new multiple sclerosis drug Lemtrada, saying the drugmaker didn't show the drug's benefits outweigh some s"...
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: 5/29/2015
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