Lisidigal HCT is a combination of lisinopril with hydrochlorothiazide. Lisinopril is an ACE inhibitor, which lowers blood pressure and relaxes the smooth muscle of the heart. Hydrochlorothiazide is a thiazide diuretic which stimulates urination.
Lisidigal HCT is used:
for the treament of high blood pressure without any known causes (essential hypertension)
in patients whose blood pressure cannot be adequately reduced with lisinopril alone (or hydrochlorothiazide alone).