Fast Five Quiz: Can You Recognize and Treat Over-the-Counter Drug Abuse and Toxicity?

Mary L. Windle, PharmD

January 13, 2017

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:

Headache
Photophobia
Abdominal pain
Drowsiness
Irritability
Desquamation

Vitamin B-1 (ie, thiamine) toxicity effects may include the following (single acute toxicity is rare):

Tachycardia
Hypotension
Cardiac dysrhythmias
Headache
Anaphylaxis
Vasodilation
Weakness
Convulsions

Signs and symptoms of liver toxicity are most common with sustained-release vitamin B-3 preparations.

For more on vitamin toxicity, read here.

Editor's Recommendations Cough, Cold, and Allergy Preparation Toxicity Clinical Presentation Acetaminophen Toxicity Anticholinergic Toxicity

Editor's Recommendations

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Any views expressed above are the author's own and do not necessarily reflect the views of WebMD or Medscape.

Cite this: Mary L. Windle. Fast Five Quiz: Can You Recognize and Treat Over-the-Counter Drug Abuse and Toxicity? - Medscape - Jan 13, 2017.

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