About dimethyl fumarate
Disease-modifying multiple sclerosis medicine
Used for
- Treats relapsing forms of multiple sclerosis in adults
Usual adult dose
Usually 120 mg twice daily for 7 days, then 240 mg twice daily.
Common side effects
- Flushing, warmth, itching, or rash
- Diarrhea, nausea, stomach pain, or vomiting
- Reduced white blood cell counts
- Elevated liver enzymes
Important warnings
- Blood tests are needed before treatment and periodically during treatment.
- Rarely, serious brain infection called progressive multifocal leukoencephalopathy can occur.
- Seek urgent assessment for new or worsening neurological symptoms.
- Serious allergic reactions and liver injury are possible.
Pregnancy
Human pregnancy information is limited; discuss potential risks with a healthcare professional.
Breastfeeding
It is unknown whether dimethyl fumarate passes into human milk; effects on infants are uncertain.
Interactions
- Other medicines that suppress the immune system may increase infection risk.
- Avoid live vaccines during treatment unless a healthcare professional advises otherwise.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.