In the US -Call your doctor for health advice about unwanted side effects. Periodic monitoring of white blood cell counts in patients with collagen vascular disease and renal disease ought to be considered. Lisinopril can be used to treat high blood pressure level (hypertension), congestive heart failure, also to improve survival after a heart attack. An antihypertensive effect of Prinivil was seen with 5 mg in most patients.
You may report unwanted side effects to FDA at 1-800-FDA-1088. If you faint, stop taking Lisinopril and call a medical expert. You may need to use hypertension medication for the rest of your life. Most folks have what is called "Essential Hypertension" which simply means there is no reason the blood pressure levels is up; it can be not secondary to a new reason.