What is verapamil ER?
Verapamil ER (generic Calan SR) is a prescription medication that is used to treat high blood pressure (hypertension). High blood pressure is a serious but common condition that can lead to serious problems such as strokes, heart attacks, and kidney problems if left untreated.
This medication is also used to treat a variety of heart problems such as angina and a fast or irregular heartbeat (arrhythmia). It helps to lower the heart rate so that you can be more comfortable and better able to exercise. The verapamil extended-release tablets and capsules are generally used to treat high blood pressure. If you require more immediate relief for treating angina or arrhythmia, talk to your healthcare provider about the immediate-release version of this medication.