Blood Pressure Home > Precautions and Warnings With Calcium Channel Blockers
When treating certain heart and blood vessel conditions, it is important to talk with your healthcare provider about the risks involved with taking a calcium channel blocker. Precautions and warnings with calcium channel blockers include the risk that the medication could make chest pain worse or even cause a heart attack. These medications can also cause low blood pressure and should be used with caution by people who have congestive heart failure.
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.
Also, let your healthcare provider know if you are:
- Pregnant or thinking of becoming pregnant
Make sure to tell your healthcare provider about any other medicines you are taking, including prescription and non-prescription medicines, vitamins, and herbal supplements.