Amtas E Tablet belongs to the class of 'anti-hypertensive drugs' primarily used to treat hypertension (high blood pressure). Hypertension is a medical condition in which the blood exerts high pressure (force exerted by circulating blood) against the blood vessel's walls. This condition makes the heart work harder in pumping blood to the whole body. Hypertension can cause severe health complications, including stroke, heart failure, heart attack, and kidney failure.