SPL Set ID: 2c8bb018-af07-4745-a4e9-f9a6795a5ea2

Olmesartan medoxomil and hydrochlorothiazide tablets are a combination of an angiotensin II receptor antagonist (AT 1 subtype), olmesartan medoxomil, and a thiazide diuretic, hydrochlorothiazide (HCTZ). Olmesartan medoxomil is 2,3-dihydroxy-2-butenyl 4-(1-hydroxy-1-methylethyl)-2-propyl-1-[ p- ( o -1 H -tetrazol-5-ylphenyl)benzyl]imidazole-5-carboxylate, cyclic 2,3-carbonate. Its empirical formula is C 29 H 30 N 6 O 6 and its structural formula is: Olmesartan medoxomil is a white to light yellowish-white powder or crystalline powder with a molecular weight of 558.6. It is practically insoluble in water and sparingly soluble in methanol. Hydrochlorothiazide is 6-chloro-3,4-dihydro-2 H -1,2,4-benzo-thiadiazine-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 is a white, or practically white, crystalline powder with a molecular weight of 297.7. Hydrochlorothiazide is slightly soluble in water but freely soluble in sodium hydroxide solution. Olmesartan medoxomil and hydrochlorothiazide tablets are available for oral administration in tablets containing 20 mg or 40 mg of olmesartan medoxomil, USP, combined with 12.5 mg of hydrochlorothiazide, USP, or 40 mg of olmesartan medoxomil, USP, combined with 25 mg of hydrochlorothiazide, USP. Inactive ingredients include: hydroxypropyl cellulose, hypromellose, lactose monohydrate, low-substituted hydroxypropyl cellulose, magnesium stearate, microcrystalline cellulose, colloidal silicon dioxide, talc, titanium dioxide. Red iron oxide, yellow iron oxide and black iron oxide are also added to the 20 mg/12.5 mg and 40 mg/12.5 mg tablets.