Normal extinction of species that occurs as a result of changes in local environmental conditions.
Verapamil Uses: An Overview. 1  High blood pressure (hypertension). 2  Chest pain (angina), including: 3  Vasospastic angina (Prinzmetal's angina or variant angina). 4  Unstable angina. 5  Chronic stable angina (exertional angina). 6  Certain irregular heart rhythms (arrhythmias), including: 7  Chronic atrial flutter.
High blood pressure often has no symptoms. You may need to use blood pressure medication for the rest of your life. Verapamil may be only part of a complete program of treatment that also includes diet, exercise, and other medications. Follow your doctor's instructions very closely.