Dimethylfumarate is an active ingredient in prescription-only-medicines in various countries. Dimethylfumarate can also be applied as a biocide in furniture or to shoes to prevent growths of mold during storage or transport in a humid climate. In the European Union (EU) dimethylfumarate is banned for such use. In the EU dimethylfumarate is also banned in consumer products.
Avoid products that list any of the following names in the ingredients:
• Dimethyl fumarate
• Dimethyl (E)-but-2-enedioate
• (E)-But-2-enedioic acid dimethyl ester
• Dimethyl (E) butenedioate (IUPAC)
• Dimethyl trans-ethylenedicarboxylate
• Fumaric acid dimethyl ester
• trans-1,2-Ethylenedicarboxylic acid dimethyl ester
• trans-Butenedioic acid dimethyl ester
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For additional information about products that might contain dimethylfumarate, visit the Consumer Product Information Database. These lists are brief and provide just a few examples. They are not comprehensive. Product formulations also change frequently. Read product labels carefully and talk to your doctor if you have any questions. These are general guidelines. Talk to your doctor for more specific instructions.