LEMTRADA is a prescription medicine used to treat adults with relapsing forms of multiple sclerosis (MS). Because of its risks, LEMTRADA is generally used in people who have tried 2 or more MS medicines that have not worked well enough. It is not known if LEMTRADA is safe and effective for use in children under 17 years of age.

Do not receive LEMTRADA if you are infected with human immunodeficiency virus (HIV).

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Your determination to challenge relapsing MS knows no boundaries.

When it's time to move past your current therapy, LEMTRADA may be your next step. Learn more

Learn more When it's time to move past your current therapy, LEMTRADA may be your next step.