Teldee 40mg Tablet is a medicine used to treat high blood pressure and heart failure. Lowering blood pressure helps to prevent future heart attacks and strokes. This medicine is also effective in preserving kidney function in patients with diabetes. Teldee 40mg Tablet can be prescribed either alone or in combination with other medicines. It may be taken with or without food during the day or at night. However, try to take it at the same time each day to get the most benefit. It is important to continue taking it regularly even if you feel well or if your blood pressure is controlled. Most people with high blood pressure do not feel ill, but if you stop taking this medicine, your condition could get worse. This is a widely used medicine and is considered safe for long-term use. Making some changes in your lifestyle will also help lower your blood pressure. These may include regular exercise, losing weight, smoking cessation, reducing alcohol intake, and reducing the amount of salt in your diet as advised by your doctor. This medicine is tolerated well by most patients and has few side effects. However, it may cause upper respiratory tract infection, back pain, sinus infection, and diarrhea in some people. Let your doctor know if you experience any of these side effects. Before taking this medicine, let your doctor know if you have any kidney or liver problems. Pregnant or breastfeeding mothers should also consult their doctor before taking it. Your doctor may check your kidney function, blood pressure, and potassium levels in your blood at regular intervals while you are taking this medicine.