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Lemtrada Side Effects Center
Medically reviewed by Min Clinic Staff | Updated: January 2026
Lemtrada (Alemtuzumab Injection for Intravenous Infusion) side effects drug center
Lemtrada Side Effects Center
What Is Lemtrada?
Lemtrada (alemtuzumab) is a recombinant humanized IgG1 kappa monoclonal antibody used to treat patients with relapsing forms of multiple sclerosis (MS). Because of its safety profile, the use of Lemtrada should generally be reserved for patients who have had an inadequate response to two or more drugs indicated for the treatment of MS.
What Are Side Effects of Lemtrada?
Common side effects of Lemtrada include:
- rash,
- headache,
- fever,
- runny nose,