Physical examination findings are likely to be normal in patients with vitamin E toxicity; however, evidence of easy bleeding may be present if the prothrombin time is elevated.
Acute vitamin A toxicity can result in the following:
Vitamin B-1 (ie, thiamine) toxicity effects may include the following (single acute toxicity is rare):
Signs and symptoms of liver toxicity are most common with sustained-release vitamin B-3 preparations.
For more on vitamin toxicity, read here.
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Cite this: Mary L. Windle. Fast Five Quiz: Can You Recognize and Treat Over-the-Counter Drug Abuse and Toxicity? - Medscape - Jan 13, 2017.