SN instructed that the lisinopril is a drug of the angiotensin-converting enzyme inhibitor class used primarily in treatment of hypertension. If any of the following side effects occur please report to physician / nurse : Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing, blistering, peeling, red skin rash, confusion, weakness, uneven heartbeat, trouble breathing, numbness or tingling in your hands, feet, or lips, dark urine or pale stools.