5 Most Used Prescription Drugs In The US

4. Lisinopril 

Total Number Of Prescriptions: 88,597,017 

Lisinopril, sold under the brand name Zestril, is a medicine that belongs to the angiotensin-converting enzyme inhibitor class and is used to treat heart failure, excessive blood pressure, and heart attacks. It typically serves as the initial line of treatment for high blood pressure. Additionally, it is applied to those who have diabetes mellitus to prevent renal issues.