What are the signs and symptoms of calcium channel blocker (CCB) toxicity?

Updated: Jan 04, 2021
  • Author: B Zane Horowitz, MD, FACMT; Chief Editor: Michael A Miller, MD  more...
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Signs and symptoms of CCB toxicity may include any of the following:

  • Dizziness or lightheadedness
  • Weakness
  • Syncope
  • Chest pain
  • Palpitations
  • Diaphoresis
  • Flushing
  • Peripheral edema
  • Dyspnea
  • Confusion
  • Seizure
  • Headache
  • Nausea and vomiting

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