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Calcium channel blocker overdose - Overview

Definition of Calcium channel blocker overdose:

Calcium channel blockers are a class of medication used to treat high blood pressure.

Calcium channel blocker overdose occurs when someone accidentally or intentionally takes more than the normal or recommended amount of this medication.

Poisonous Ingredient:

The specific ingredients in each type of calcium channel blocker vary. However, the main ingredient is called a calcium channel antagonist. It helps decrease the heart's pumping strength, which relaxes your blood vessels.

Where Found:

  • Amlodipine (Norvasc)
  • Bepridil (Vascor)
  • Diltiazem (Cardizem, Dilacor)
  • Felodipine (Plendil)
  • Isradipine (DynaCirc)
  • Nicardipine (Cardene)
  • Nifedipine (Adalat, Procardia)
  • Nimodipine (Nimotop)
  • Verapamil (Calan, Isoptin, Verelan)
Note: This list may not be all inclusive.
  • Reviewed last on: 1/23/2008
  • Eric Perez, MD, Department of Emergency Medicine, St. Luke's-Roosevelt Hospital Center, New York, NY. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

References

Olson KR, Erdman AR, Woolf AD, et al. American Association of Poison Control Centers. Calcium channel blocker ingestion: an evidence-based consensus guideline for out-of-hospital management. Clin Toxicol. 2005;43(7):797-822.