Articles

Calcium channel blockers

Side effects and cautions

Side effects of calcium channel blockers may include:

  • Constipation
  • Headache
  • Palpitations
  • Dizziness
  • Rash
  • Drowsiness
  • Flushing
  • Nausea
  • Swelling in the feet and lower legs

Certain calcium channel blockers interact with grapefruit products.