Blood Pressure Home > Calcium Channel Blockers
What Should I Tell My Healthcare Provider?You should talk with your healthcare provider prior to taking a calcium channel blocker if you have:
- An esophageal stricture or other narrowing of the digestive tract
- An irregular heart rhythm (arrhythmia), including sick sinus syndrome
- An upcoming surgery
- Aortic stenosis
- Duchenne's muscular dystrophy
- Heart disease, including congestive heart failure
- Kidney disease, including kidney failure (renal failure)
- Liver disease, including cirrhosis or liver failure.
- Low blood pressure
- Myasthenia gravis
- Sick sinus syndrome
- Wolff-Parkinson-White syndrome or Lown-Ganong-Levine syndrome
- Any allergies, including allergies to food, dyes, or preservatives.
- Pregnant or thinking of becoming pregnant (see Calcium Channel Blockers and Pregnancy)
- Breastfeeding (see Calcium Channel Blockers and Breastfeeding).