They are also called calcium antagonists and they relax and widen the blood vessels by affecting the muscle cells in the arterial walls. Calcium channel blockers are available in short-acting and long-acting forms. Calcium channel blocking agents restrict the amount of calcium entering cardiac and smooth muscle cells by blocking voltage-gated calcium channels. Amlodipine (Norvasc) Felodipine (Plendil) Nicardipine (Cardene) Verapamil (Calan Verelan) Written by Hannah Rice Myers . This can cause symptoms such as headaches and dizziness.Mayo Clinic does not endorse companies or products. Mayo Clinic offers appointments in Arizona, Florida and Minnesota and at Mayo Clinic Health System locations.Our general interest e-newsletter keeps you up to date on a wide variety of health topics.Calcium channel blockers lower blood pressure and treat other conditions such as chest pain and an irregular heartbeat.Calcium channel blockers lower your blood pressure by preventing calcium from entering the cells of your heart and arteries. Calcium channel blockers are also called calcium antagonists. Calcium channel blockers prevent calcium from entering cells of the heart and blood vessels walls. Calcium channel blockers are classified into 1 of 3 major groups based on their structure. Mayo Clinic is a nonprofit organization and proceeds from Web advertising help support our mission.
14 August, 2017 . These drugs are used to treat many cardio vascular disease including hypertension, arrhythmia and angina pectoris. Calcium causes the heart and arteries to contract more strongly. Some calcium channel blockers have the added benefit of slowing your heart rate, which can further lower your blood pressure, relieve chest pain (angina) and control an irregular heartbeat.
Last updated on Sep 19, 2019. Calcium Channel Blockers are used to block voltage-dependent Ca2+ channel are called Calcium channel blockers. We comply with the HONcode standard for trustworthy health information - Short-acting medications work quickly, but their effects last only a few hours. These include the phenyl- alkylamines, the benzothiazepines, and the dihydropyri- Calcium Channel Blockers 125 ipj 1,2 DAG i Ca++- SR Calmodulin rKl +- la ‘Contractile‘ I Proteins Fig 3. All rights reserved.
potential side effects from taking a calcium channel blocker include: *dizziness or lightheadedness *low blood pressure *heart rhythm problems *dry mouth *edema (swelling of ankles, feet, or lowe The calcium channel blockers available in the U. S. are: amlodipine (Norvasc), diltiazem (Cardizem LA, Tiazac), felodipine (Plendil), isradipine (Dynacirc), nifedipine (Adalat, Procardia), nicardipine (Cardene), nimodipine (Nimotop), nisoldipine (Sular), and ; verapamil (Covera-HS, Verelan PM, Calan). Calcium channel blockers (CCB), calcium channel antagonists or calcium antagonists are a group of medications that disrupt the movement of calcium (Ca 2+) through calcium channels. Grapefruit juice interacts with the drug and can affect heart rate and blood pressure. Short-acting medications work quickly, but their effects last only a few hours. Dihyropyridines are more potent vasodilators than Verapamil, which is more potent than diltiazem.