Etolol RM 50mg/5mg Tablet ER is a medicine used for treating high blood pressure. By lowering the blood pressure, it helps in preventing future heart attack and stroke. Early treatment with this medicine also improves chances of survival in patients of heart attack. This medicine should be taken regularly with food at a fixed time each day. This medicine should not be stopped abruptly and should be taken strictly as advised by your doctor. Lifestyle changes like low-fat diet, exercise, and not smoking may help this medicine work better. Some patients may develop cough or throat irritation as a side effect while using this medicine. It may also produce dizziness initially, but this improves with time.