SPL Set ID: d7214539-6c3d-466a-a474-6fde096fa182

Lisinopril and Hydrochlorothiazide Tablets combines an angiotensin converting enzyme inhibitor, lisinopril, and a diuretic, hydrochlorothiazide. Lisinopril, a synthetic peptide derivative, is an oral long-acting angiotensin converting enzyme inhibitor. It is chemically described as (S) -1-[ N 2 -(1-carboxy-3-phenylpropyl)-L-lysyl]-L-proline dihydrate. Its molecular 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 441.52. It is soluble in water, sparingly soluble in methanol, and practically insoluble in ethanol. Hydrochlorothiazide is 6-chloro-3,4-dihydro- 2H -1,2,4-benzothiadiazine-7-sulfonamide 1,1-dioxide. Its molecular 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 297.73, which is slightly soluble in water, but freely soluble in sodium hydroxide solution. Lisinopril and Hydrochlorothiazide Tablets are available for oral use in three tablet combinations of lisinopril with hydrochlorothiazide: Lisinopril and Hydrochlorothiazide Tablets USP, 10 mg/12.5 mg containing 10 mg lisinopril USP and 12.5 mg hydrochlorothiazide USP; Lisinopril and Hydrochlorothiazide Tablets USP, 20 mg/12.5 mg containing 20 mg lisinopril USP and 12.5 mg hydrochlorothiazide USP; and, Lisinopril and Hydrochlorothiazide Tablets USP, 20 mg/25 mg containing 20 mg lisinopril USP and 25 mg hydrochlorothiazide USP. Inactive ingredients are dibasic calcium phosphate, magnesium stearate, mannitol, pregelatinized starch (maize starch) and starch. Lisinopril and hydrochlorothiazide 10 mg/12.5 mg and 20 mg/25 mg also contains ferric oxide red and ferric oxide yellow. Lisinopril and hydrochlorothiazide 20 mg/12.5 mg also contains ferric oxide yellow. lisinohydro-str1 lisinohydro-str2