What are the nonspecific signs and symptoms of vitamin toxicity?

Updated: Jun 01, 2020
  • Author: Mark Rosenbloom, MD, MBA; Chief Editor: Michael A Miller, MD  more...
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Be wary of large or chronic ingestions of all vitamins in children, especially the fat-soluble vitamins A and D.

Nonspecific symptoms, such as nausea, vomiting, diarrhea, and rash, are common with any acute or chronic vitamin overdose. Vitamin-related symptoms may be secondary to those associated with additives (eg, mannitol), colorings, or binders; these symptoms usually are not severe.

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