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    Heart Disease and Calcium Channel Blocker Drugs

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    Calcium channel blockers are prescription medications that relax blood vessels and increase the supply of blood and oxygen to the heart while also reducing the heart's workload. Examples of calcium channel blockers include:

     

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    Caduet is a combination of a statin cholesterol drug and amlodipine (above).

    For What Conditions Are They Prescribed?

    Below are heart conditions that calcium channel blockers might be prescribed for:

    If you have systolic heart failure, then amlodipine and felodipine are the only calcium channel blockers that should be used.

    Calcium channel blockers are also used to prevent migraine headaches.

    How Should I Take Them?

    Calcium channel blockers should be taken with food or milk. Follow the label directions on how often to take it. The number of doses you take each day, the time allowed between doses, and how long you need to take it will depend on the type of medication prescribed and on your condition.

    While taking this medication, have your blood pressure checked regularly, as advised by your doctor.

    While taking this medication, your doctor may tell you to take and record your pulse daily. Your doctor will tell you how rapid your pulse should be. If your pulse is slower than advised, contact your doctor or nurse about taking your calcium channel blocker that day.

    What Are the Side Effects?

    Side effects of calcium channel blockers can include:

    • Lightheadedness
    • Low blood pressure
    • Slower heart rate
    • Drowsiness.
    • Constipation
    • Swelling of feet ankles and legs
    • Increased appetite.
    • Gastroesophageal reflux disease (GERD)
    • Tenderness or bleeding of the gums.
    • Sexual dysfunction

    Let your doctor know if these side effects are persistent or severe. Contact your doctor right away if you are experiencing:

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