Ready to take another look at relapsing MS?

TECFIDERA is an oral treatment that has the power to cut relapses in half. Imagine what you could do with fewer relapses.

TECFIDERA is taken as one pill twice a day.

Talk to your doctor about TECFIDERA to see if it might be right for you.

During a 2-year study, TECFIDERA cut relapses in half, reducing risk of relapse by 49% compared with placebo.

Shown to cut relapses in half

TECFIDERA has been shown to cut relapses in half, delay the progression of physical disability, and slow the development of brain lesions. During a 2-year study, TECFIDERA cut relapses in half, reducing risk of relapse by 49% compared with placebo. Learn more

The safety of TECFIDERA has been documented in over 5 years of clinical trials and real world experience. Learn about side effects

Financial and Insurance Support

Find information on insurance counseling and our $0 copay assistance. Eligibilty required. Learn more

*Based on number of prescriptions from IMS NPA™ Weekly Data (September 27, 2013 - July 3, 2015).

Depending on your income or, in some cases, if your medication is obtained from an out-of-network provider, there may be an annual cap that limits the amount of assistance that you can receive over one year. Federal and state laws and other factors may prevent or otherwise restrict eligibility. People covered by Medicare, Medicaid, the VA/DoD, or any other federal plans are not eligible to enroll.

Real people. Real perspectives.

Hear from real people who took another look at relapsing MS.

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Get a TECFIDERA brochure

Take another look at relapsing MS. Request this brochure to learn more about TECFIDERA.

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Tecfidera® (dimethyl fumarate) is a prescription medicine used to treat people with relapsing forms of multiple sclerosis.

Important Safety Information

Important Safety Information and Indication

Do not use TECFIDERA if you have had an allergic reaction (such as welts, hives, swelling of the face, lips, mouth or tongue, or difficulty breathing) to TECFIDERA or any of its ingredients.

Before taking and while you take TECFIDERA, tell your doctor about any low white blood cell counts or infections or any other medical conditions.

What are the possible side effects of TECFIDERA?

What are the possible side effects of TECFIDERA?

TECFIDERA may cause serious side effects including allergic reactions, PML, which is a rare brain infection that usually leads to death or severe disability, and decreases in your white blood cell count. Your doctor may check your white blood cell count before you take TECFIDERA and from time to time during treatment.

The most common side effects of TECFIDERA include flushing and stomach problems. These can happen especially at the start of treatment and may decrease over time. Taking TECFIDERA with food may help reduce flushing. Call your doctor if these symptoms bother you or do not go away. Ask your doctor if taking aspirin before taking TECFIDERA may reduce flushing.

These are not all the possible side effects of TECFIDERA. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. For more information go to

Tell your doctor if you are pregnant or plan to become pregnant, or breastfeeding or plan to breastfeed. It is not known if TECFIDERA will harm your unborn baby or if it passes into your breast milk. Also tell your doctor if you are taking prescription or over-the-counter medicines, vitamins, or herbal supplements.

For additional important safety information, please see full Prescribing Information and Patient Information. This is not intended to replace discussions with your doctor.