Zitelmi-AH Tablet is a combination of medicines used to treat hypertension (high blood pressure) when a single medication is not effective. It helps to lower high blood pressure thus reduces chances of future heart attack and stroke. Zitelmi-AH Tablet should be taken with or without food. The dose will depend on your condition and how you respond to the medicine. Try to take it at the same time each day. It is important to keep taking this medicine until your doctor tells you not to. It contains a diuretic (water pill) and will make you urinate more so, it is best to avoid taking this medicine within four hours of going to bed. Use this medicine regularly to get the most benefit from it even if you feel well. High blood pressure does not usually have symptoms and if you stop taking it your risk of heart attack or stroke may increase. The most common side effects of this medicine include ankle swelling, headache, dizziness, tiredness, and taste change. Consult your doctor If any of these bother you, or get worse, or won't go away. Drink plenty of fluids while taking medicine to overcome muscle weakness, dry mouth, and extreme thirst.