Remember that this medicine will not cure your high blood pressure, but it does help control it. Therefore, you must continue to take it as directed if you expect to lower your blood pressure and keep it down. You might have to take high blood pressure medicine for the rest of your life. If high blood pressure is not treated, it can cause serious problems such as heart failure, blood vessel. Amlodipine is used alone or together with other medicines to lower hypertension (high blood pressure) in adults and children. 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. It does not matter what time of day you take amlodipine (morning or evening) but it is best to take it at the same time every day, when you are most likely to remember, for more even blood levels and therefore effectiveness. Amlodipine is a calcium channel blocker that dilates blood vessels and improves blood flow. Amlodipine is used to treat. Amlodipine is a calcium channel blocker medication used to treat high blood pressure and coronary artery disease. since it does not inhibit the ventricle's function is generally safe, it can still cause collapse in cases of severe stenosis. In unstable angina (excluding variant angina), amlodipine can cause a reflex increase in cardiac contractility (how hard the ventricles squeeze) and.