Metolar XR-50 Capsule belongs to a group of medicines called beta-blockers used to treat high blood pressure (hypertension), heart-related chest pain (angina), irregular heart rhythm (arrhythmia), and to protect the heart after a heart attack (myocardial infarction). Hypertension or high blood pressure is a chronic condition in which the blood exerts an increased pressure against the arteries that may lead to various types of heart diseases. Besides this, Metolar XR-50 Capsule may also help in relieving symptoms of migraine-related headache and tremors (fits).