Merck Manual

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Molybdenum Toxicity


Larry E. Johnson

, MD, PhD,

  • Associate Professor of Geriatrics and Family and Preventive Medicine
  • University of Arkansas for Medical Sciences
  • Medical Director
  • Central Arkansas Veterans Healthcare System

Last full review/revision May 2020| Content last modified May 2020
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Molybdenum (Mo) is a component of coenzymes necessary for the activity of xanthine oxidase, sulfite oxidase, and aldehyde oxidase.

A case of molybdenum toxicity may have occurred in 1961; it caused goutlike symptoms and abnormalities of the gastrointestinal tract, liver, and kidneys.

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