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Dimethyl Fumarate Side Effects

Some of the possible side effects of dimethyl fumarate can include nausea, itching, and diarrhea. Studies have shown that most people who use this drug do not develop problems. However, dimethyl fumarate is associated with potentially serious reactions, such as dangerous infections and allergic reactions, so let your healthcare provider know immediately if you develop something that doesn't seem right.


An Introduction to Side Effects of Dimethyl Fumarate

Just like any medicine, dimethyl fumarate (Tecfidera™) can cause side effects. However, not everyone who takes the medication will have problems. In fact, most people tolerate it quite well. If side effects do occur, in most cases, they are minor and either require no treatment or are treated easily by you or your healthcare provider.
(This article covers many, but not all, of the possible side effects with dimethyl fumarate. Your healthcare provider can discuss a more complete list with you.)

Serious Dimethyl Fumarate Side Effects

Some side effects of dimethyl fumarate should be reported immediately to your healthcare provider. These include but are not limited to:
  • Signs of an allergic reaction, such as:
    • An unexplained rash
    • Hives
    • Itching
    • Unexplained swelling, especially of the mouth, lips, or throat
    • Wheezing
    • Difficulty breathing or swallowing
  • Signs of an infection, such as:
    • Fever
    • Chills
    • Body aches
    • Nausea and vomiting
    • Painful urination
    • Cough
    • A sore throat
  • Severe or persistent nausea, vomiting, or diarrhea
  • Severe or persistent flushing.
Know the Signs - Concussion Safety

Dimethyl Fumarate Drug Information

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