Amlodipine is used alone or together with other medicines to treat hypertension (high blood pressure). 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. Amlodipine is used to treat heart-related conditions like angina (chest pain) and high blood pressure (hypertension). It is a calcium channel blocker that inhibits the entry of calcium (ions) across the heart that relaxes and widens the smooth muscles for better blood flow. Amlodipine is a calcium channel blocker used to treat high blood pressure, angina, arrhythmia and other conditions. Learn about its working, common side effects, available medicines and expert advice on 1mg.com. Amlodipine is a medication belonging to the class of drugs known as calcium channel blockers. It is primarily used for the treatment of hypertension, also known as high blood pressure. Amlodipine works by blocking the entry of calcium into smooth muscle cells of the arteries, leading to relaxation and dilation of the blood vessels, which results in decreased peripheral resistance and lower blood pressure. Amlodipine is commonly prescribed as an oral tablet or capsule, and it is typically ...