ATR-5 Tablet is a statin medication used to lower cholesterol and reduce the risk of heart disease. It is widely prescribed and safe for long-term use, but stopping the medication may increase cholesterol levels. It is part of a treatment program that includes a healthy diet, regular exercise, smoking cessation, moderation of alcohol intake, and weight reduction. Common side effects include constipation, flatulence, dyspepsia, and abdominal pain. It should not be used in certain conditions, pregnant or breastfeeding women, and diabetic patients, as it may increase blood sugar levels.