Coughing or wheezing Irregular or slow heartbeat Should I Avoid Certain Food or Medicine While Taking This Medication? Ask your doctor if you need to avoid eating grapefruit or drinking grapefruit juice while taking your calcium channel blocker. Alcohol may interfere with the effects of calcium channel blockers and increase the side effects; it should be avoided while taking this medication.
It is important that your doctor is aware of all the medications you are taking, as some may have the potential to interact with calcium channel blockers. Talk to your doctor before taking any new medication, including over-the-counter drugs, herbs and supplements. While taking this medication, have your blood pressure checked regularly, as advised by your doctor.
Keep all appointments with your doctor and the laboratory so that your response to the drug can be monitored. While taking this medication, your doctor may tell you to take and record your pulse daily. Your provider will tell you how rapid your pulse should be.
If your pulse is slower than advised, contact your doctor about taking your calcium channel blocker that day. Reviewed by the doctors at the The Cleveland Clinic Heart Center.
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