Lisonol-5 Tablet is a medication used to treat high blood pressure and heart failure and may be prescribed after a heart attack. It can be taken alone or in combination with other medicines, and should be taken at the same time each day. It is safe for long-term use and can be improved by lifestyle changes like regular exercise, weight loss, smoking cessation, reducing alcohol intake, and reducing salt intake. Common side effects include decreased blood pressure, cough, increased potassium level, fatigue, weakness, and dizziness.