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Note: The resources listed in this guide are not intended to be fully systematic or complete, nor does inclusion here imply any endorsement or recommendation by The University of Maryland or the Center for Integrative Medicine. The University of Maryland and the Center for Integrative Medicine make no warranties, express or implied, about the value or utility for any purpose of the information and resources contained herein.

Possible Interactions with: Brewer's Yeast

Interactions:

If you are currently being treated with any of the following medications, you should not use brewer's yeast without first talking to your healthcare provider.

Monoamine Oxidase Inhibitors (MAOIs) -- Brewer's yeast contains a large amount of tyramine, a substance that can interact with MAOIs and cause a hypertensive crisis. A hypertensive crisis is characterized by a rapid and dangerous rise in blood pressure that can cause heart attack or stroke. MAOIs are used to treat depression and include

Phenelzine (Nardil)
Tranylcypromine (Parnate)
Selegiline (Ensam, Eldepryl)
Isocarboxazid (Marplan)

Meperidine (Demerol) -- As with MAOI antidepressants, brewer's yeast may also lead to hypertensive crisis if taken with Demerol, a narcotic medication used to relieve pain.

Drug Interactions:

MAO InhibitorsMeperidine

Alternative Names:

Brewer's Yeast

Reviewed last on: 5/6/2007
Steven D. Ehrlich, N.M.D., private practice specializing in complementary and alternative medicine, Phoenix, AZ. Review provided by VeriMed Healthcare Network.

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