Kesimpta

Kesimpta (ofatumumab) is a prescription medication used to treat Multiple sclerosis. A once-monthly at-home self-injection pen for relapsing forms of multiple sclerosis.

An anti-CD20 monoclonal antibody that targets and reduces B-cells involved in the immune attack on nerves in MS.

Commonly reported side effects of Kesimpta include Injection reactions, Upper respiratory infections, Headache, and Increased infection risk. This is not a complete list — tell your doctor or pharmacist about any side effects you experience.

Kesimpta has notable warnings and precautions. Tell your doctor about your medical history and any other medicines or supplements you take before starting Kesimpta.

The active ingredient in Kesimpta is ofatumumab, which belongs to a class of medicines known as Anti-CD20 Monoclonal Antibody.

Kesimpta is manufactured by Novartis. It was first approved in 2020.

You may be able to lower the cost of Kesimpta by using a free pharmacy discount card or by comparing prices across pharmacies before you fill your prescription. Savings vary by pharmacy and location.