olmesartan medoxomil and amlodipine besylate and hydrochlorothiazide - Generic Medications

Olmesartan medoxomil, amlodipine, and hydrochlorothiazide tablets provided as a tablet for oral administration, is a fixed combination of olmesartan medoxomil (ARB), amlodipine (CCB), and hydrochlorothiazide (thiazide diuretic). Olmesartan medoxomil, a prodrug, is hydrolyzed to olmesartan during absorption from the gastrointestinal tract. Olmesartan medoxomil, a component of olmesartan medoxomil, amlodipine, and hydrochlorothiazide tablets, is chemically described as 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 . Amlodipine besylate, a component of olmesartan medoxomil, amlodipine, and hydrochlorothiazide tablets, is chemically described as 3-ethyl-5-methyl (±)-2-[(2-aminoethoxy)methyl]-4-(2-chlorophenyl)-1,4-dihydro-6-methyl-3,5-pyridinedicarboxylate, monobenzenesulphonate. Its empirical formula is C 20 H 25 CIN 2 O 5 •C 6 H 6 O 3 S. Hydrochlorothiazide, a component of olmesartan medoxomil, amlodipine, and hydrochlorothiazide tablets, is chemically described as 6-chloro-3,4-dihydro-2 H -1,2,4-benzo-thiazidiazine-7-sulfonamide 1,1-dioxide. Its empirical formula is C 7 H 8 CIN 3 O 4 S 2 . The structural formula for olmesartan medoxomil is: The structural formula for amlodipine besylate is: The structural formula for hydrochlorothiazide is: Olmesartan Medoxomil, Amlodipine, and Hydrochlorothiazide Tablets contains olmesartan medoxomil, a white to off-white crystalline powder, amlodipine besylate, a white or almost white powder, and hydrochlorothiazide, a white or practically white, crystalline powder. The molecular weights of olmesartan medoxomil, amlodipine besylate, and hydrochlorothiazide are 558.6, 567.1, and 297.7, respectively. Olmesartan medoxomil is practically insoluble in water and sparingly soluble in methanol. Amlodipine besylate is slightly soluble in water and sparingly soluble in ethanol. Hydrochlorothiazide is slightly soluble in water but freely soluble in sodium hydroxide solution. Each tablet of olmesartan medoxomil, amlodipine, and hydrochlorothiazide also contains the following inactive ingredients: colloidal silicon dioxide, croscarmellose sodium, lactose monohydrate, magnesium stearate, microcrystalline cellulose, pregelatinized starch and talc. The color coating contains polyvinyl alcohol, titanium dioxide, polyethylene glycol and talc. In addition, the 20 mg/5 mg/12.5 mg tablets contains black iron oxide, red iron oxide and yellow iron oxide; the 40 mg/10 mg/25 mg tablets and 40 mg/10 mg/12.5 mg tablets contains red iron oxide and yellow iron oxide; the 40 mg/5 mg/12.5 mg tablets and 40 mg/5 mg/25 mg tablets contain yellow iron oxide. olmesartan-medoxomil amlodipine-besylate hctz