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What is dimethyl fumarate?

Donna Hill Howes, RN
Family Practitioner

Dimethyl fumarate (Tecfidera) is a disease-modifying drug for treating relapsing-remitting MS. It is taken twice a day by mouth. It can be used before trying other treatments or when other drugs don't work. Dimethyl fumarate is a new drug, approved in 2013. It appears to be quite safe compared to other MS drugs. But little is known about its long-term effects.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.