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

Mary L. Windle, PharmD

Disclosures

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

Comments

3090D553-9492-4563-8681-AD288FA52ACE
Comments on Medscape are moderated and should be professional in tone and on topic. You must declare any conflicts of interest related to your comments and responses. Please see our Commenting Guide for further information. We reserve the right to remove posts at our sole discretion.
Post as:

processing....