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Alemtuzumab

Written By Dr. Syeda AafiaReviewed By Dr. Rajeev Sharma
Last updated 25 Nov 2025 | 09:34 AM (UTC)

Alemtuzumab Uses

Alemtuzumab is used in the treatment of blood cancer (chronic lymphocytic leukemia) and multiple sclerosis (MS).

How Alemtuzumab works

Alemtuzumab is a monoclonal antibody. It flags the cancer cells for destruction by the body's immune system. It also modulates the immune system to limit its attacks on the nervous system.

Common side effects of Alemtuzumab

Rash, Headache, Insomnia (difficulty in sleeping), Nausea, Upper respiratory tract infection, Decreased white blood cell count, Fatigue, Fever, Itching, Flushing (sense of warmth in the face, ears, neck and trunk), Hives, Decreased white blood cell count (lymphocytes)
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Expert advice for Alemtuzumab

  • Alemtuzumab is given as an injection into the veins under the supervision of a doctor.