Drugs Similar to EDARBYCLOR

Edarbyclor is a combination of azilsartan medoxomil (angiotensin II receptor blocker; as its potassium salt) and chlorthalidone (thiazide-like diuretic). Azilsartan medoxomil, a prodrug, is hydrolyzed to azilsartan in the gastrointestinal tract during absorption. Azilsartan is an angiotensin II receptor blocker. Chlorthalidone is a monosulfamyl thiazide-like diuretic that differs chemically from thiazide diuretics by the lack of a benzothiadiazine structure. The potassium salt of azilsartan medoxomil, azilsartan kamedoxomil, is chemically described as (5-Methyl-2-oxo-1,3-dioxol-4-yl)methyl 2-ethoxy-1-{[2'-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)biphenyl-4-yl]methyl}-1 H -benzimidazole-7-carboxylate monopotassium salt. Its empirical formula is C 30 H 23 KN 4 O 8. Chlorthalidone is chemically described as 2-chloro-5(1-hydroxy-3-oxo-1- isoindolinyl) benzenesulfonamide. Its empirical formula is C 14 H 11 ClN 2 O 4 S. The structural formula for azilsartan medoxomil is The structural formula for chlorthalidone is Azilsartan kamedoxomil is a white to nearly white powder with a molecular weight of 606.62. It is practically insoluble in water and freely soluble in methanol. Chlorthalidone is a white to yellowish white powder with a molecular weight of 338.76. Chlorthalidone is practically insoluble in water, in ether, and in chloroform; soluble in methanol; slightly soluble in ethanol. Edarbyclor is available for oral use as tablets. The tablets have a characteristic odor. Each Edarbyclor tablet contains 42.68 mg of azilsartan kamedoxomil, which is equivalent to containing azilsartan medoxomil 40 mg plus 12.5 or 25 mg of chlorthalidone. Each tablet of Edarbyclor also contains the following inactive ingredients: mannitol, microcrystalline cellulose, fumaric acid, sodium hydroxide, hydroxypropyl cellulose, crospovidone, magnesium stearate, hypromellose 2910, talc, titanium dioxide, ferric oxide red, polyethylene glycol 8000, and printing ink gray F1. Chemical Structure Chemical Structure

Edarbyclor is a combination of azilsartan medoxomil (angiotensin II receptor blocker; as its potassium salt) and chlorthalidone (thiazide-like diuretic). Azilsartan medoxomil, a prodrug, is hydrolyzed to azilsartan in the gastrointestinal tract during absorption. Azilsartan is an angiotensin II receptor blocker. Chlorthalidone is a monosulfamyl thiazide-like diuretic that differs chemically from thiazide diuretics by the lack of a benzothiadiazine structure. The potassium salt of azilsartan medoxomil, azilsartan kamedoxomil, is chemically described as (5-Methyl-2-oxo-1,3-dioxol-4-yl)methyl 2-ethoxy-1-{[2'-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)biphenyl-4-yl]methyl}-1 H -benzimidazole-7-carboxylate monopotassium salt. Its empirical formula is C 30 H 23 KN 4 O 8. Chlorthalidone is chemically described as 2-chloro-5(1-hydroxy-3-oxo-1- isoindolinyl) benzenesulfonamide. Its empirical formula is C 14 H 11 ClN 2 O 4 S. The structural formula for azilsartan medoxomil is The structural formula for chlorthalidone is Azilsartan kamedoxomil is a white to nearly white powder with a molecular weight of 606.62. It is practically insoluble in water and freely soluble in methanol. Chlorthalidone is a white to yellowish white powder with a molecular weight of 338.76. Chlorthalidone is practically insoluble in water, in ether, and in chloroform; soluble in methanol; slightly soluble in ethanol. Edarbyclor is available for oral use as tablets. The tablets have a characteristic odor. Each Edarbyclor tablet contains 42.68 mg of azilsartan kamedoxomil, which is equivalent to containing azilsartan medoxomil 40 mg plus 12.5 or 25 mg of chlorthalidone. Each tablet of Edarbyclor also contains the following inactive ingredients: mannitol, microcrystalline cellulose, fumaric acid, sodium hydroxide, hydroxypropyl cellulose, crospovidone, magnesium stearate, hypromellose 2910, talc, titanium dioxide, ferric oxide red, polyethylene glycol 8000, and printing ink gray F1. Chemical Structure Chemical Structure

Atenolol and chlorthalidone tablets are for the treatment of hypertension. It combines the antihypertensive activity of two agents: a beta 1 -selective (cardioselective) hydrophilic blocking agent (atenolol) and a monosulfonamyl diuretic (chlorthalidone). Atenolol is Benzeneacetamide, 4-[2'-hydroxy-3'-[(1-methylethyl) amino] propoxy]. Atenolol, USP is a white or almost white powder and is sparingly soluble in water; soluble in absolute alcohol and practically insoluble in ether. Chlorthalidone is 2-Chloro-5-(1-hydroxy-3-oxo-1-isoindolinyl) benzene sulfonamide: Chlorthalidone, USP is white to yellowish crystalline powder. Each atenolol and chlorthalidone tablet, USP intended for oral administration contains atenolol 50 mg or 100 mg and chlorthalidone 25 mg. In addition, each uncoated tablet contains the following inactive ingredients: citric acid, colloidal silicon dioxide, croscarmellose sodium, magnesium stearate, pregelatinized starch and silicified microcrystalline cellulose. Atenolol Chlorthalidon Tablets, USP Atenolol Chlorthalidon Tablets, USP

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Atenolol and chlorthalidone tablets, USP are for the treatment of hypertension. It combines the antihypertensive activity of two agents: a beta 1 -selective (cardioselective) hydrophilic blocking agent (atenolol), and a monosulfonamyl diuretic (chlorthalidone). Atenolol, USP is Benzeneacetamide, 4-[2’-hydroxy-3’-[(1-methylethyl)amino]propoxy]-. It has the following structural formula: C 14 H 22 N 2 O 3 M.W. 266.34 Atenolol, USP (free base) is a relatively polar hydrophilic compound with a water solubility of 26.5 mg/mL at 37°C. It is freely soluble in 1N HCl (300 mg/mL at 25°C) and less soluble in chloroform (3 mg/mL at 25°C). Chlorthalidone, USP is 2-Chloro-5-(1-hydroxy-3-oxo-1-isoindolinyl) benzene sulfonamide. Chlorthalidone, USP has a water solubility of 12 mg/100 mL at 20°C. It has the following structural formula: C 14 H 11 ClN 2 O 4 S M.W. 338.77 Each atenolol and chlorthalidone tablet, USP 50 mg/25 mg for oral administration contains: atenolol USP, 50 mg and chlorthalidone USP, 25 mg. Each atenolol and chlorthalidone tablet, USP 100 mg/25 mg for oral administration contains: atenolol USP, 100 mg and chlorthalidone USP, 25 mg. Atenolol and chlorthalidone tablets USP, 50 mg/25 mg and 100 mg/25 mg, contain the following inactive ingredients: magnesium stearate, microcrystalline cellulose, povidone and sodium starch glycolate. 1 2

Atenolol and chlorthalidone tablets, USP are for the treatment of hypertension. It combines the antihypertensive activity of two agents: a beta 1 -selective (cardioselective) hydrophilic blocking agent (atenolol,) and a monosulfonamyl diuretic (chlorthalidone). Atenolol, USP is Benzeneacetamide, 4-[2'-hydroxy-3'-[(1-methylethyl) amino] propoxy]-. Atenolol, USP (free base) is a relatively polar hydrophilic compound with a water solubility of 10.0376 mg/mL at 37° C. It is freely soluble in 1N HCl (100.810 mg/mL at 25°C) and slightly soluble in chloroform (1.0438 mg/mL at 25°C). Chlorthalidone, USP is 2-Chloro-5-(1-hydroxy-3-oxo-1-isoindolinyl) benzene sulfonamide: Chlorthalidone, USP is insoluble in water at 20°C. Each atenolol and chlorthalidone tablets, USP 50 mg/25 mg contains: Atenolol, USP…………………………….. 50 mg Chlorthalidone, USP……………………… 25 mg Each atenolol and chlorthalidone tablets, USP 100 mg/25 mg contains: Atenolol, USP……………………………100 mg Chlorthalidone, USP ……………………..25 mg Inactive ingredients: magnesium stearate, microcrystalline cellulose, povidone, sodium starch glycolate (potato), ferric oxide red (for 50 mg/25 mg) and ferric oxide yellow (for 100 mg/25 mg) Image Image

Atenolol and Chlorthalidone Tablets, USP are for the treatment of hypertension. It combines the antihypertensive activity of two agents: a beta 1 -selective (cardioselective) hydrophilic blocking agent (atenolol) and a monosulfonamyl diuretic (chlorthalidone). Atenolol is Benzeneacetamide, 4-[2'-hydroxy-3'-[(1-methylethyl) amino] propoxy]-. Atenolol (free base) is a relatively polar hydrophilic compound with a water solubility of 26.5 mg/mL at 37°C. It is freely soluble in 1N HCl (300 mg/mL at 25°C) and less soluble in chloroform (3 mg/mL at 25°C). Chlorthalidone is 2-Chloro-5-(1-hydroxy-3-oxo-1-isoindolinyl) benzene sulfonamide: Chlorthalidone has a water solubility of 12 mg/100 mL at 20°C. Each Atenolol and Chlorthalidone Tablet, USP 100 mg/25 mg contains: Atenolol, USP ....................................... 100 mg Chlorthalidone, USP ........................................................ 25 mg Each Atenolol and Chlorthalidone Tablet, USP 50 mg/25 mg contains: Atenolol, USP ......................................... 50 mg Chlorthalidone, USP ….................................................... 25 mg Inactive ingredients: magnesium stearate, microcrystalline cellulose, povidone, sodium starch glycolate. Structure 2

Atenolol and chlorthalidone tablets are for the treatment of hypertension. It combines the antihypertensive activity of two agents: a beta 1 -selective (cardioselective) hydrophilic blocking agent (atenolol) and a monosulfonamyl diuretic (chlorthalidone). Atenolol is Benzeneacetamide, 4-[2'-hydroxy-3'-[(1-methylethyl) amino] propoxy]. Atenolol, USP is a white or almost white powder and is sparingly soluble in water; soluble in absolute alcohol and practically insoluble in ether. Chlorthalidone is 2-Chloro-5-(1-hydroxy-3-oxo-1-isoindolinyl) benzene sulfonamide: Chlorthalidone, USP is white to yellowish crystalline powder. Each atenolol and chlorthalidone tablet, USP intended for oral administration contains atenolol 50 mg or 100 mg and chlorthalidone 25 mg. In addition, each uncoated tablet contains the following inactive ingredients: citric acid, colloidal silicon dioxide, croscarmellose sodium, magnesium stearate, pregelatinized starch and silicified microcrystalline cellulose. Atenolol Chlorthalidon Tablets, USP Atenolol Chlorthalidon Tablets, USP

Atenolol and Chlorthalidone Tablets, USP are for the treatment of hypertension. It combines the antihypertensive activity of two agents: a beta1-selective (cardioselective) hydrophilic blocking agent (atenolol) and a monosulfonamyl diuretic (chlorthalidone). Atenolol is Benzeneacetamide, 4-[2'-hydroxy-3'-[(1-methylethyl) amino] propoxy]-. Atenolol (free base) is a relatively polar hydrophilic compound with a water solubility of 26.5 mg/mL at 37°C. It is freely soluble in 1N HCl (300 mg/mL at 25°C) and less soluble in chloroform (3 mg/mL at 25°C). Chlorthalidone is 2-Chloro-5-(1-hydroxy-3-oxo-1-isoindolinyl) benzene sulfonamide: Chlorthalidone has a water solubility of 12 mg/100 mL at 20°C. Each Atenolol and Chlorthalidone Tablet, USP 100 mg/25 mg contains: Atenolol, USP .......................................100 mg Chlorthalidone, USP .............................25 mg Each Atenolol and Chlorthalidone Tablet, USP 50 mg/25 mg contains: Atenolol, USP .........................................50 mg Chlorthalidone, USP ..........................................................25 mg Inactive ingredients: magnesium stearate, microcrystalline cellulose, povidone, sodium starch glycolate. struct-at struct-chlor

Atenolol and chlorthalidone tablets, USP are for the treatment of hypertension. It combines the antihypertensive activity of two agents: a beta 1 -selective (cardioselective) hydrophilic blocking agent (atenolol,) and a monosulfonamyl diuretic (chlorthalidone). Atenolol, USP is Benzeneacetamide, 4-[2'-hydroxy-3'-[(1-methylethyl) amino] propoxy]-. Atenolol, USP (free base) is a relatively polar hydrophilic compound with a water solubility of 10.0376 mg/mL at 37° C. It is freely soluble in 1N HCl (100.810 mg/mL at 25°C) and slightly soluble in chloroform (1.0438 mg/mL at 25°C). Chlorthalidone, USP is 2-Chloro-5-(1-hydroxy-3-oxo-1-isoindolinyl) benzene sulfonamide: Chlorthalidone, USP is insoluble in water at 20°C. Each atenolol and chlorthalidone tablets, USP 50 mg/25 mg contains: Atenolol, USP…………………………….. 50 mg Chlorthalidone, USP……………………… 25 mg Each atenolol and chlorthalidone tablets, USP 100 mg/25 mg contains: Atenolol, USP……………………………100 mg Chlorthalidone, USP ……………………..25 mg Inactive ingredients: magnesium stearate, microcrystalline cellulose, povidone, sodium starch glycolate (potato), ferric oxide red (for 50 mg/25 mg) and ferric oxide yellow (for 100 mg/25 mg) Image Image

Atenolol and chlorthalidone tablets, USP are for the treatment of hypertension. It combines the antihypertensive activity of two agents: a beta 1 -selective (cardioselective) hydrophilic blocking agent (atenolol), and a monosulfonamyl diuretic (chlorthalidone). Atenolol, USP is Benzeneacetamide, 4-[2’-hydroxy-3’-[(1-methylethyl)amino]propoxy]-. It has the following structural formula: C 14 H 22 N 2 O 3 M.W. 266.34 Atenolol, USP (free base) is a relatively polar hydrophilic compound with a water solubility of 26.5 mg/mL at 37°C. It is freely soluble in 1N HCl (300 mg/mL at 25°C) and less soluble in chloroform (3 mg/mL at 25°C). Chlorthalidone, USP is 2-Chloro-5-(1-hydroxy-3-oxo-1-isoindolinyl) benzene sulfonamide. Chlorthalidone, USP has a water solubility of 12 mg/100 mL at 20°C. It has the following structural formula: C 14 H 11 ClN 2 O 4 S M.W. 338.77 Each atenolol and chlorthalidone tablet, USP 50 mg/25 mg for oral administration contains: atenolol USP, 50 mg and chlorthalidone USP, 25 mg. Each atenolol and chlorthalidone tablet, USP 100 mg/25 mg for oral administration contains: atenolol USP, 100 mg and chlorthalidone USP, 25 mg. Atenolol and chlorthalidone tablets USP, 50 mg/25 mg and 100 mg/25 mg, contain the following inactive ingredients: magnesium stearate, microcrystalline cellulose, povidone and sodium starch glycolate. 1 2

Chlorthalidone, USP an oral antihypertensive/diuretic. It is a monosulfamyl diuretic that differs chemically from thiazide diuretics in that a double-ring system is incorporated in its structure. It is 2-chloro-5(1-hydroxy-3-oxo-1- isoindolinyl) benzenesulfonamide with the following structural formula: [Image] Molecular Formula: C14H11ClN2O4S Molecular weight: 338.77 Chlorthalidone, USP is practically insoluble in water, in ether, and in chloroform; soluble in methanol; slightly soluble in ethanol. Chlorthalidone tablets, USP are available containing either 25 mg or 50 mg of chlorthalidone, USP and the following inactive ingredients: colloidal silicon dioxide, D&C Yellow No. 10 Aluminum Lake, microcrystalline cellulose, pregelatinized starch (maize), sodium starch glycolate (potato), stearic acid. The 50 mg tablets also contain FD&C Blue No.1 Aluminum Lake.

Chlorthalidone is an oral antihypertensive/diuretic. It is a monosulfamyl diuretic that differs chemically from thiazide diuretics in that a double-ring system is incorporated in its structure. It is 2-chloro-5-(1-hydroxy-3-oxo-1- isoindolinyl) benzenesulfonamide with the following structural formula: Molecular Formula: C 14 H 11 ClN 2 O 4 S Molecular weight: 338.776 Chlorthalidone, USP is practically insoluble in water, in ether, and in chloroform; soluble in methanol; slightly soluble in alcohol. Chlorthalidone tablets are available containing either 25 mg or 50 mg of chlorthalidone USP and the following inactive ingredients: microcrystalline cellulose, partially pregelatinized maize starch, sodium starch glycolate, colloidal silicon dioxide, magnesium stearate, ingredients of aquadry blend yellow like iron oxide yellow, lactose monohydrate, Ferrosoferric Oxide for 25 mg and ingredients of aquadry blend green like D & C Yellow #10 aluminum lake, FD & C blue #1/ Brilliant Blue FCF Aluminum Lake for 50 mg.

Chlorthalidone is an oral antihypertensive/diuretic. It is a monosulfamyl diuretic that differs chemically from thiazide diuretics in that a double-ring system is incorporated in its structure. It is 2-Chloro-5(1- hydroxy-3-oxo-1-isoindolinyl) benzenesulfonamide with the following structural formula: Molecular Formula: C 14 H 11 ClN 2 O 4 S Molecular Weight: 338.76 Chlorthalidone, USP is practically insoluble in water, in ether, and in chloroform; soluble in methanol; slightly soluble in ethanol. Chlorthalidone tablets are available containing either 25 mg or 50 mg of chlorthalidone, USP and the following inactive ingredients: microcrystalline cellulose, lactose monohydrate, povidone, sodium starch glycolate, D&C Yellow No. 10, magnesium stearate. The 50 mg Tablets also contain FD&C Blue No. 1. FDA approved dissolution specification differs from that of the USP.

Chlorthalidone is an oral antihypertensive/diuretic. It is a monosulfamyl diuretic that differs chemically from thiazide diuretics in that a double-ring system is incorporated in its structure. It is 2-chloro-5(1- hydroxy-3-oxo-1-isoindolinyl) benzenesulfonamide with the following structural formula: Chlorthalidone, USP is practically insoluble in water, in ether, and in chloroform; soluble in methanol; slightly soluble in ethanol. Chlorthalidone tablets are available containing either 25 mg or 50 mg of chlorthalidone USP and the following inactive ingredients: colloidal silicon dioxide, magnesium stearate, microcrystalline cellulose, pregelatinized starch, Sodium Starch glycolate type-A and talc. Chemical Structure

Chlorthalidone is an oral antihypertensive/diuretic. It is a monosulfamyl diuretic that differs chemically from thiazide diuretics in that a double-ring system is incorporated in its structure. It is 2-chloro-5(1- hydroxy-3-oxo-1-isoindolinyl) benzenesulfonamide with the following structural formula: Molecular Formula: C 14 H 11 ClN 2 O 4 S Molecular weight: 338.76 Chlorthalidone, USP is practically insoluble in water, in ether, and in chloroform; soluble in methanol; slightly soluble in ethanol. Chlorthalidone tablets are available containing either 25 mg or 50 mg of chlorthalidone USP and the following inactive ingredients: Colloidal silicon dioxide, D & C Yellow No.10 Aluminum Lake, Microcrystalline cellulose, Pregelatinized starch (maize), Sodium starch glycolate (Type A), Stearic acid. The 50 mg tablets also contain FD&C Blue No.1.

Chlorthalidone is an oral antihypertensive/diuretic. It is a monosulfamyl diuretic that differs chemically from thiazide diuretics in that a double-ring system is incorporated in its structure. It is 2-Chloro-5(1- hydroxy-3-oxo-1-isoindolinyl) benzenesulfonamide with the following structural formula: Molecular Formula: C 14 H 11 ClN 2 O 4 S Molecular Weight: 338.76 Chlorthalidone, USP is practically insoluble in water, in ether, and in chloroform; soluble in methanol; slightly soluble in ethanol. Chlorthalidone tablets are available containing either 25 mg or 50 mg of chlorthalidone, USP and the following inactive ingredients: microcrystalline cellulose, lactose monohydrate, povidone, sodium starch glycolate, D&C Yellow No. 10, magnesium stearate. The 50 mg Tablets also contain FD&C Blue No. 1. FDA approved dissolution specification differs from that of the USP. Chemical Structure

Chlorthalidone an oral antihypertensive/diuretic. It is a monosulfamyl diuretic that differs chemically from thiazide diuretics in that a double-ring system is incorporated in its structure. It is 2-Chloro-5-(1-hydroxy-3-oxo-1-isoindolinyl)benzenesulfonamide with the following structural formula: Chlorthalidone, USP is practically insoluble in water, in ether, and in chloroform; soluble in methanol; slightly soluble in ethanol. Chlorthalidone tablets are available containing either 25 mg or 50 mg of chlorthalidone, USP and the following inactive ingredients: colloidal silicon dioxide, D&C Yellow No.10 Aluminum Lake, microcrystalline cellulose, pregelatinized starch (corn), sodium starch glycolate (potato), stearic acid. The 50 mg tablets also contain FD&C Blue No.1 Aluminum Lake. Chlorthalidone Structural Formula

Chlorthalidone an oral antihypertensive/diuretic. It is a monosulfamyl diuretic that differs chemically from thiazide diuretics in that a double-ring system is incorporated in its structure. It is 2-Chloro-5(1- hydroxy-3-oxo-1- isoindolinyl) benzenesulfonamide with the following structural formula: Molecular Formula: C 14 H 11 ClN 2 O 4 S Molecular weight: 338.76 Chlorthalidone, USP is practically insoluble in water, in ether, and in chloroform; soluble in methanol; slightly soluble in ethanol. Chlorthalidone tablets are available containing either 25 mg or 50 mg of chlorthalidone, USP and the following inactive ingredients: colloidal silicon dioxide, microcrystalline cellulose, pregelatinized starch (maize), sodium starch glycolate Type A, stearic acid. FDA approved dissolution test specifications differ from USP. Structural Formula

Chlorthalidone an oral antihypertensive/diuretic. It is a monosulfamyl diuretic that differs chemically from thiazide diuretics in that a double-ring system is incorporated in its structure. It is 2-Chloro-5-(1-hydroxy-3-oxo-1-isoindolinyl)benzenesulfonamide with the following structural formula: Chlorthalidone, USP is practically insoluble in water, in ether, and in chloroform; soluble in methanol; slightly soluble in ethanol. Chlorthalidone tablets are available containing either 25 mg or 50 mg of chlorthalidone, USP and the following inactive ingredients: colloidal silicon dioxide, D&C Yellow No.10 Aluminum Lake, microcrystalline cellulose, pregelatinized starch (corn), sodium starch glycolate (potato), stearic acid. The 50 mg tablets also contain FD&C Blue No.1 Aluminum Lake. Chlorthalidone Structural Formula

Chlorthalidone is an oral antihypertensive/diuretic. It is a monosulfamyl diuretic that differs chemically from thiazide diuretics in that a double-ring system is incorporated in its structure. It is 2-chloro-5(1- hydroxy-3-oxo-1- isoindolinyl) benzenesulfonamide with the following structural formula: Molecular Formula : C 14 H 11 ClN 2 O 4 S Molecular weight: 338.76 Chlorthalidone, USP is white to yellowish-white, crystalline powder that melts at a temperature 216°C to 222°C, with decomposition. It is practically insoluble in water, in ether, and in chloroform; soluble in methanol; slightly soluble in alcohol. Chlorthalidone tablets, USP are available containing either 25 mg or 50 mg of chlorthalidone USP and the following inactive ingredients: colloidal silicon dioxide, corn starch,microcrystalline cellulose, pregelatinized starch, sodium starch glycolate and stearic acid.Additionally 25 mg tablet contain ferric oxide yellow. Chlorthalidone tablets, USP

Chlorthalidone is an oral antihypertensive/diuretic. It is a monosulfamyl diuretic that differs chemically from thiazide diuretics in that a double-ring system is incorporated in its structure. It is 2-chloro-5(1- hydroxy-3-oxo-1-isoindolinyl) benzenesulfonamide with the following structural formula: [chlor-structure] Molecular Formula: C14H11ClN2O4S Molecular weight: 338.76 Chlorthalidone, USP is practically insoluble in water, in ether, and in chloroform; soluble in methanol; slightly soluble in ethanol. Chlorthalidone tablets are available containing either 25 mg or 50 mg of chlorthalidone USP and the following inactive ingredients: Colloidal silicon dioxide, D & C Yellow No.10 Aluminum Lake, Microcrystalline cellulose, Pregelatinized starch (maize), Sodium starch glycolate (Type A), Stearic acid. The 50 mg tablets also contain FD&C Blue No.1.