zestoretic - Medication Listings

ZESTORETIC ® (Lisinopril and Hydrochlorothiazide) combines an angiotensin converting enzyme inhibitor, lisinopril, and a diuretic, hydrochlorothiazide. Lisinopril, USP a synthetic peptide derivative, is an oral long-acting angiotensin converting enzyme inhibitor. It is chemically described as (S)-1-[N2-(1-carboxy-3-phenylpropyl)-L-lysyl]-L-proline dihydrate. Its empirical formula is C 21 H 31 N 3 O 5 . 2H 2 O and its structural formula is: Lisinopril, USP is a white to off-white, crystalline powder, with a molecular weight of 441.53. It is soluble in water, sparingly soluble in methanol, and practically insoluble in ethanol. Hydrochlorothiazide, USP is 6-chloro-3,4-dihydro-2H-1,2,4-benzothiadiazine-7-sulfonamide 1,1-dioxide. Its empirical formula is C 7 H 8 ClN 3 O 4 S 2 and its structural formula is: Hydrochlorothiazide, USP is a white, or practically white, crystalline powder with a molecular weight of 297.72, which is slightly soluble in water, but freely soluble in sodium hydroxide solution. ZESTORETIC is available for oral use in three tablet combinations of lisinopril, USP with hydrochlorothiazide, USP: ZESTORETIC 10-12.5 containing 10 mg lisinopril, USP and 12.5 mg hydrochlorothiazide, USP; ZESTORETIC 20-12.5 containing 20 mg lisinopril, USP and 12.5 mg hydrochlorothiazide, USP; and, ZESTORETIC 20-25 containing 20 mg lisinopril, USP and 25 mg hydrochlorothiazide, USP. Inactive Ingredients: 10-12.5 Tablets - calcium phosphate, magnesium stearate, mannitol, red ferric oxide, corn starch, yellow ferric oxide. 20-12.5 Tablets - calcium phosphate, magnesium stearate, mannitol, corn starch. 20-25 Tablets - calcium phosphate, magnesium stearate, mannitol, red ferric oxide, corn starch, yellow ferric oxide.