Can calcium channel blockers cause low blood pressure?
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Calcium channel blockers are prescribed for high blood pressure and heart problems, but be careful when using one with diuretics, ACE inhibitors, or other drugs. Show
Calcium channel blockers are a class of drugs prescribed for high blood pressure and other heart diseases. The medications reduce blood pressure by helping blood vessels to relax. Calcium channel blockers reduce the speed at which calcium moves into heart muscle, blood vessels, and cells in the heart that control your heart rate. The drugs increase the diameter of blood vessels, reduce the force of contraction of the heart, and slow heart rate, all of which helps keep your heart from having to work as hard. In addition to high blood pressure (hypertension), calcium channel blockers are prescribed to treat:
These medications typically aren't prescribed for people who have congestive heart failure or structural heart problems. Examples of Calcium Channel BlockersThere are many different generic and brand-name forms of calcium channel blockers available, including: 
Typical Calcium Channel Blocker InteractionsCalcium channel blockers may interact with other medications, so always tell your doctor about every medication, recreational drug, vitamin, and supplement — whether over-the-counter (OTC) or prescription — that you are taking. Calcium channel blockers should always be taken with a meal or a glass of milk to protect the stomach. You should not, however, take calcium channel blockers with grapefruit juice or grapefruit. Grapefruit (and its juice) can alter the effects of many drugs, including calcium channel blockers. Some of the drugs that are likely to interact with calcium channel blockers include:
Remember to take calcium channel blockers exactly as your doctor or pharmacist recommends. This means not crushing, chopping, or dissolving these medications unless you're told it's okay — especially if you're taking a medication that ends in XL or XR, which means extended release. Cutting pills will negate that effect, and possibly cause adverse effects. Calcium Channel Blocker Side EffectsIt's also important to avoid drinking alcohol when taking calcium channel blockers. Alcohol, combined with a calcium channel blocker, can cause severe side effects and may also affect the way the medication works. Side effects from taking calcium channel blockers are usually fairly mild, but may include:
Calcium channel blockers are generally safe, but like any medication, need to be taken properly and with care. To lessen the chance of interactions, always tell your doctor about other medications you’re taking. And remember that you don't have to deal with side effects: Talk to your doctor about them. Chances are that a slight adjustment in the dosage or the way you take your medication will help you feel better while allowing you to get the treatment you need. NEWSLETTERS Sign up for our Heart Health Newsletter!Enter your email By subscribing you agree to the Terms of Use and Privacy Policy. The Latest in Calcium Channel Blockers
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