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DynaCirc description. Amlodipine, bepridil, diltiazem, felodipine, flunarizine, isradipine, nicardipine, nifedipine, nimodipine, and verapamil belong to the group of medicines called calcium channel blocking agents. Calcium channel blocking agents affect the movement of calcium into the cells of the heart and blood vessels. As a result, they relax blood vessels and increase the supply of blood and oxygen to the heart while reducing its workload. Some of the calcium channel blocking agents are used to relieve and control angina pectoris (chest pain). Some are also used to treat high blood pressure (hypertension). High blood pressure adds to the workload of the heart and arteries. If it continues for a long time, the heart and arteries may not function properly. This can damage the blood vessels of the brain, heart, and kidneys, resulting in a stroke, heart failure, or kidney failure. High blood pressure may also increase the risk of heart attacks. These problems may be less likely to occur if blood pressure is controlled. Flunarizine is used to prevent migraine headaches. Nimodipine is used to prevent and treat problems caused by a burst blood vessel around the brain (also known as a ruptured aneurysm or subarachnoid hemorrhage). Other calcium channel blocking agents may also be used for these and other conditions as determined by your doctor. Why prescribed DynaCirc. Isradipine is used to treat high blood pressure. It relaxes your blood vessels so your heart does not have to pump as hard. DynaCirc is sometimes prescribed for other uses; ask your doctor or pharmacist for more information. How used DynaCirc. Isradipine comes as a regular capsule and an extended-release (long-acting) tablet to take by mouth. The capsule is usually taken two times a day, while the tablet is usually taken once a day. The tablet should be swallowed whole. Do not chew, divide, or crush the tablet. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Take isradipine exactly as directed. Do not take more or less of it or take it more often than prescribed by your doctor. Isradipine controls high blood pressure but does not cure it. Continue to take isradipine even if you feel well. Do not stop taking isradipine without talking to your doctor. Some brand names: - Cardizem LA - Cardizem SR - Dilacor-XR - DynaCirc - Isoptin - Isoptin SR - Nimotop - Norvasc - Novo-Diltazem - Novo-Nifedin - Novo-Veramil |