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.
Common verapamil side effects may include: constipation; headache, dizziness; or. abnormal liver function tests. This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. See also: Side effects (in more detail) What other drugs will affect verapamil? Many drugs can interact with verapamil. Some drugs can raise or lower your blood levels of verapamil, which may cause side effects or make it less effective.