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Drug Interactions between dimethyl fumarate and vitamin e

This report displays the potential drug interactions for the following 2 drugs:

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Interactions between your drugs

Minor

vitamin E dimethyl fumarate

Applies to: vitamin e and dimethyl fumarate

Theoretically, agents that are thought to have immunostimulant properties such as echinacea, vitamin E, cat's claw, and zinc may antagonize the pharmacologic effects of immunosuppressants. However, clinical cases of drug interactions have not been reported.

References (8)
  1. Miller LG (1998) "Herbal medicinals: selected clinical considerations focusing on known or potential drug-herb interactions." Arch Intern Med, 158, p. 2200-11
  2. Pepping J (1999) "Echinacea." Am J Health Syst Pharm, 56, p. 121-2
  3. Izzo AA, Ernst E (2001) "Interactions between herbal medicines and prescribed drugs: a systematic review." Drugs, 61, p. 2163-75
  4. Therapeutic Research Faculty (2008) Natural Medicines Comprehensive Database. http://www.naturaldatabase.com
  5. (2024) "Product Information. Ashwagandha (ashwagandha)." Now Foods, 1
  6. (2024) "Product Information. Vyvgart (efgartigimod alfa)." Argenx UK Ltd
  7. National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health Office of Dietary Supplements Ashwagandha https://www.nccih.nih.gov/health/ashwagandha
  8. Barak V, Halperin T, Kalickman I (2001) "The effect of Sambucol, a black elderberry-based, natural product, on the production of human cytokines: I. Inflammatory cytokines" Eur Cytokine Netw, 12, p. 290-6

Drug and food interactions

Minor

dimethyl fumarate food

Applies to: dimethyl fumarate

Food does not significantly affect the oral bioavailability of dimethyl fumarate. Administration of dimethyl fumarate with a high-fat, high-calorie meal did not affect the systemic exposure (AUC) to its active metabolite, monomethyl fumarate (MMF), but decreased its peak plasma concentration (Cmax) by 40% and prolonged the time to reach peak concentration (Tmax) from 2.0 hours to 5.5 hours. In the study, the incidence of flushing was reduced by approximately 25% in the fed state. Dimethyl fumarate may be taken with or without food; however, taking it with food may help reduce flushing.

References (1)
  1. (2013) "Product Information. Tecfidera (dimethyl fumarate)." Biogen

Therapeutic duplication warnings

No warnings were found for your selected drugs.

Therapeutic duplication warnings are only returned when drugs within the same group exceed the recommended therapeutic duplication maximum.

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Drug Interaction Classification

These classifications are only a guideline. The relevance of a particular drug interaction to a specific individual is difficult to determine. Always consult your healthcare provider before starting or stopping any medication.
Major Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit.
Moderate Moderately clinically significant. Usually avoid combinations; use it only under special circumstances.
Minor Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan.
Unknown No interaction information available.

Further information

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