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http://www.livestrong.com/article/293979-calcium-channel-blockers-and-swelling-feet/


Edema

Swelling feet result from edema. The process that causes edema is a complex biological reaction involving leaking blood vessels, or capillaries, and the kidneys, which respond by retaining more water and sodium to make up for the fluid lost from blood vessels. These reactions cause fluid to build up in your body, which again causes more leakage from your capillaries. Fluid builds up in your body's tissues, and the tissues swell. Untreated edema can cause added swelling that becomes painful, stiffness, stretched skin and poor blood circulation. Failure to treat your edema can lead to trouble walking, scarring of the tissues in your body and damage to your skin, arteries and joints, notes MayoClinic.com.

Swelling Feet

Swelling of the feet caused by calcium channel blockers is a painless condition. Swelling in the feet is more noticeable because of the effect of gravity on fluid in your body. Fluid retention might not be limited to your feet. The buildup of fluid in the feet and legs can indicate a serious condition, such as kidney, liver or heart failure, so it is important to confirm with your doctor that your swelling results from the calcium channel blocker.
Prevention

St. John's Mercy Health Care recommends that you call your doctor and ask how to relieve the swelling in your feet. Although your swelling is probably painless, you might experience discomfort from the buildup of fluid. You can prevent added swelling by refraining from sitting or standing in one position without moving for long periods. When you drive or take a flight, take time to get up and walk around. Don't wear clothing that restricts circulation in your legs. Engage in regular exercise, and maintain a healthy weight, advises MayoClinic.com.
Treatment

To reduce swelling, lie down, and elevate your feet above your heart, suggests MedlinePlus. Perform leg exercises to move fluid back to your heart, and wear support hose if necessary. A low-sodium diet can reduce swelling. MayoClinic.com recommends a massage with a firm, stroking pressure toward the heart to reduce swelling. Your doctor might prescribe a diuretic, known as a water or fluid pill, to reduce the swelling in your feet.
Warning

FamilyDoctor.org, a website from the American Academy of Family Physicians, warns that you should contact your doctor immediately if you have shortness of breath in addition to your swollen f

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