Nebivol-CL Tablet is a prescription medication used to treat hypertension, lowering blood pressure, and reducing the risk of heart attacks and strokes. It can be taken at any time of day, but it's best to take it daily. It's important not to stop taking it, as it can worsen the condition. Regular exercise, weight reduction, and a healthy diet can help control blood pressure. Side effects include headaches, flushing, ankle swelling, slow heart rate, nausea, and dizziness. Regular monitoring of blood pressure, kidney function, blood sugar, and electrolytes is advised.