Lisinopril Hydrochlorothiazide in combination treats hypertension. To reduce the risk of strokes and heart attack blood pressure must be in normal. Lisinopril is an angiotensin converting enzyme (ACE) inhibitor. This medicine blocks substance in body and thus relaxes the blood vessel, lowers blood pressure and increase supply of blood in heart. ACE inhibitors reduces too much blood circulating in blood vessels, it slows the process of heart failure.
Your Physician may direct to take individual medications first, if one drug is not controlling your blood pressure then you can to switch to combination product.