Telzox M 40mg/50mg Tablet ER is a medication utilized for treating high blood pressure. By lowering blood pressure, it helps in preventing future heart attacks and strokes. Early treatment with this medication also improves the chances of survival in patients with heart attacks. It is advised to take Telzox M 40mg/50mg Tablet ER with food at a fixed time each day to maintain consistent levels of medication in the blood. Keep taking it for as long as advised by your doctor. Even if you feel well, do not stop this medication on your own because high blood pressure often has no symptoms. If you stop taking it, your condition may get worse. Keeping active with regular exercise, reducing your weight and eating a healthy diet will also help control your blood pressure. Follow your doctor’s advice while taking this medication. Some common side effects of this medication include headache, weakness, dizziness, decreased blood pressure, and increased potassium level in blood. It is advised to avoid potassium rich food and supplements while taking this medication. It may cause dizziness, avoid driving or rise slowly from the sitting position. You may be asked for regular monitoring of blood pressure, blood sugar level, kidney functioning, urea, or electrolytes level during the treatment.