Biogen treatment options available

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Explore Biogen treatments

Could a Biogen medication be right for you?

Your healthcare provider is your best source of information, especially when choosing treatment. Together, you decide what treatment may work best for you. Download these questions to help get the conversation started at your next appointment.

Say yes to TECFIDERA. Where could yes take you?
Learn more at Tecfidera.com

What is TECFIDERA?

TECFIDERA is a prescription medicine used to treat relapsing forms of multiple sclerosis (MS), to include clinically isolated syndrome, relapsing-remitting disease, and active secondary progressive disease, in adults.

It is not known if TECFIDERA is safe and effective in children under 18 years of age.

How should I take TECFIDERA? Oral pill 2 times daily

  • TECFIDERA is taken as one pill twice a day. Take TECFIDERA exactly as your healthcare provider tells you
  • The recommended starting dose is one 120 mg pill taken by mouth 2 times a day for 7 days. The recommended dose after 7 days is one 240 mg pill taken by mouth 2 times a day
  • It can be taken with or without food
  • Swallow TECFIDERA whole. Be sure not to crush, chew, or sprinkle your pill on food
  • Protect TECFIDERA from light. You can do this by storing the pill in the original pill bottle
  • If you take too much TECFIDERA, call your healthcare provider or go to the nearest hospital emergency room right away

How could TECFIDERA help me?

See how TECFIDERA was shown in clinical studies to impact:

  • Relapses
  • Physical disability progression
  • MRI brain lesions

Who should not take TECFIDERA?

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.

Find out more about TECFIDERA >
TECFIDERA side effects

Learn about potential side effects of TECFIDERA and tips on how to manage them.

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TECFIDERA effectiveness

Discover how TECFIDERA is shown to work against relapsing MS.

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Understanding Important Safety Information

Before taking any treatment, it’s important to understand as much about it as possible. The Important Safety Information for a treatment describes possible side effects you may experience. It also tells you what information you need to share with your doctor before starting treatment.

On this website, the Important Safety Information appears on each specific treatment page. You'll also find the Indication, which explains the specific condition that the medication was approved to treat by the FDA.

What is TECFIDERA?

TECFIDERA® (dimethyl fumarate) is a prescription medicine used to treat relapsing forms of multiple sclerosis (MS), to include clinically isolated syndrome, relapsing-remitting disease, and active secondary progressive disease, in adults.

It is not known if TECFIDERA is safe and effective in children under 18 years of age.

Important Safety Information

Prescribing Information | Patient Information

Who should not take TECFIDERA® (dimethyl fumarate)?

  • 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 healthcare provider if you have or have had:

  • low white blood cell counts or an infection
  • any other medical conditions

Tell your healthcare provider if you are:

  • pregnant or plan to become pregnant. It is not known if TECFIDERA will harm your unborn baby
    • If you become pregnant while taking TECFIDERA, talk to your healthcare provider about enrolling in the TECFIDERA Pregnancy Registry. You can enroll in this registry by calling 1-866-810-1462 or visiting www.tecfiderapregnancyregistry.com. The purpose of this registry is to monitor the health of you and your baby
  • breastfeeding or plan to breastfeed. It is not known if TECFIDERA passes into your breast milk. You and your healthcare provider should decide if you will take TECFIDERA or breastfeed
  • taking prescription or over-the-counter medicines, vitamins, or herbal supplements

What are the possible side effects of TECFIDERA?

TECFIDERA may cause serious side effects, including:

  • allergic reaction (such as welts, hives, swelling of the face, lips, mouth or tongue, or difficulty breathing)
  • PML a rare brain infection that usually leads to death or severe disability
  • decreases in your white blood cell count Your healthcare provider should do a blood test before you start treatment with TECFIDERA and while on therapy
  • liver problems. Your healthcare provider should do blood tests to check your liver function before you start taking TECFIDERA and during treatment if needed. Tell your healthcare provider right away if you get any of these symptoms of a liver problem during treatment
    • severe tiredness
    • loss of appetite
    • pain on the right side of your stomach
    • have dark or brown (tea color) urine
    • yellowing of your skin or the white part of your eyes
  • herpes zoster infections (shingles), including central nervous system infections
  • other serious infections

The most common side effects of TECFIDERA include:

  • flushing, redness, itching, or rash
  • nausea, vomiting, diarrhea, stomach pain, or indigestion
  • Flushing and stomach problems are the most common reactions, especially at the start of therapy, and may decrease over time. Taking TECFIDERA with food may help reduce flushing. Call your healthcare provider if you have any of these symptoms and they bother you or do not go away. Ask your healthcare provider if taking aspirin before taking TECFIDERA may reduce flushing

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

Please see full Prescribing Information, including Patient Information.

This information does not take the place of talking with your healthcare provider about your medical condition or treatment.

What is TECFIDERA?

TECFIDERA® (dimethyl fumarate) is a prescription medicine used to treat relapsing forms of multiple sclerosis (MS), to include clinically isolated syndrome, relapsing-remitting disease, and active secondary progressive disease, in adults.

It is not known if TECFIDERA is safe and effective in children under 18 years of age.

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