Drugs Similar to TRIMETHOPRIM

Trimethoprim is a synthetic antibacterial available in tablet form for oral administration. Each scored white tablet contains 100 mg trimethoprim. Trimethoprim is 5-[(3,4,5-trimethoxyphenyl)methyl]-2,4-pyrimidinediamine. It is a white to light yellow, odorless, bitter compound with a molecular weight of 290.32 and the molecular formula C 14 H 18 N 4 O 3 . The structural formula is: Inactive Ingredients Colloidal silicon dioxide, lactose monohydrate, magnesium stearate, microcrystalline cellulose, pregelatinized starch, sodium starch glycolate, and purified water. C:\Users\LdeepthI\Desktop\tri-strctre.jpg

Trimethoprim is a synthetic antibacterial available in tablet form for oral administration. Each scored white tablet contains 100 mg trimethoprim. Trimethoprim is 5-[(3,4,5-trimethoxyphenyl)methyl]-2,4-pyrimidinediamine. It is a white to light yellow, odorless, bitter compound with a molecular weight of 290.32 and the molecular formula C 14 H 18 N 4 O 3. The structural formula is: Inactive Ingredients Anhydrous Lactose, Microcrystalline cellulose, Pregelatinized Starch, Sodium Starch Glycolate Type A, Magnesium Stearate. FDA approved dissolution test specifications differ from USP. structure

Trimethoprim is a synthetic antibacterial available in tablet form for oral administration. Each scored white tablet contains 100 mg trimethoprim. Trimethoprim is 5-[(3,4,5-trimethoxyphenyl)methyl]-2,4-pyrimidinediamine. It is a white to light yellow, odorless, bitter compound with a molecular weight of 290.32 and the molecular formula C 14 H 18 N 4 O 3. The structural formula is: Inactive Ingredients Anhydrous Lactose, Microcrystalline cellulose, Pregelatinized Starch, Sodium Starch Glycolate Type A, Magnesium Stearate. FDA approved dissolution test specifications differ from USP. structure

Trimethoprim is a synthetic antibacterial available in tablet form for oral administration. Each scored white tablet contains 100 mg trimethoprim. Trimethoprim is 5-[(3,4,5-trimethoxyphenyl)methyl]-2,4-pyrimidinediamine. It is a white to light yellow, odorless, bitter compound with a molecular weight of 290.32 and the molecular formula C 14 H 18 N 4 O 3 . The structural formula is: Inactive Ingredients Colloidal silicon dioxide, lactose monohydrate, magnesium stearate, microcrystalline cellulose, pregelatinized starch, sodium starch glycolate, and purified water. C:\Users\LdeepthI\Desktop\tri-strctre.jpg

Trimethoprim is a synthetic antibacterial available in tablet form for oral administration. Each scored white tablet contains 100 mg trimethoprim. Trimethoprim is 5-[(3,4,5-trimethoxyphenyl)methyl]-2,4-pyrimidinediamine. It is a white to light yellow, odorless, bitter compound with a molecular weight of 290.32 and the molecular formula C 14 H 18 N 4 O 3 . The structural formula is: Inactive Ingredients Colloidal silicon dioxide, lactose monohydrate, magnesium stearate, microcrystalline cellulose, pregelatinized starch, sodium starch glycolate, and purified water. C:\Users\LdeepthI\Desktop\tri-strctre.jpg

Trimethoprim is a synthetic antibacterial available in tablet form for oral administration. Each scored white tablet contains 100 mg trimethoprim. Trimethoprim is 5-[(3,4,5-trimethoxyphenyl)methyl]-2,4-pyrimidinediamine. It is a white to light yellow, odorless, bitter compound with a molecular weight of 290.32 and the molecular formula C 14 H 18 N 4 O 3. The structural formula is: Inactive Ingredients Anhydrous Lactose, Microcrystalline cellulose, Pregelatinized Starch, Sodium Starch Glycolate Type A, Magnesium Stearate. FDA approved dissolution test specifications differ from USP. structure

Trimethoprim is a synthetic antibacterial available in tablet form for oral administration. Each scored white tablet contains 100 mg trimethoprim. Trimethoprim is 5-[(3,4,5-trimethoxyphenyl)methyl]-2,4-pyrimidinediamine. It is a white to light yellow, odorless, bitter compound with a molecular weight of 290.32 and the molecular formula C 14 H 18 N 4 O 3. The structural formula is: Inactive Ingredients Anhydrous Lactose, Microcrystalline cellulose, Pregelatinized Starch, Sodium Starch Glycolate Type A, Magnesium Stearate. FDA approved dissolution test specifications differ from USP. structure

Trimethoprim is a synthetic antibacterial available in tablet form for oral administration. Each scored white tablet contains 100 mg trimethoprim. Trimethoprim is 5-[(3,4,5-trimethoxyphenyl)methyl]-2,4-pyrimidinediamine. It is a white to light yellow, odorless, bitter compound with a molecular weight of 290.32 and the molecular formula C 14 H 18 N 4 O 3 . The structural formula is: Inactive Ingredients Colloidal silicon dioxide, lactose monohydrate, magnesium stearate, microcrystalline cellulose, pregelatinized starch, sodium starch glycolate, and purified water. C:\Users\LdeepthI\Desktop\tri-strctre.jpg

BACTRIM (sulfamethoxazole and trimethoprim) is a synthetic antibacterial combination product available in DS (double strength) tablets, each containing 800 mg sulfamethoxazole and 160 mg trimethoprim; in tablets, each containing 400 mg sulfamethoxazole and 80 mg trimethoprim for oral administration. Sulfamethoxazole is N 1 -(5-methyl-3-isoxazolyl) sulfanilamide; the molecular formula is C 10 H 11 N 3 O 3 S. It is an almost white, odorless, tasteless compound with a molecular weight of 253.28 and the following structural formula: Trimethoprim is 2,4-diamino-5-(3,4,5-trimethoxybenzyl) pyrimidine; the molecular formula is C 14 H 18 N 4 O 3 . It is a white to light yellow, odorless, bitter compound with a molecular weight of 290.3 and the following structural formula: Inactive ingredients: Docusate sodium 85%, sodium benzoate 15%, sodium starch glycolate, magnesium stearate and pregelatinized starch. Chemical Structure Chemical Structure

Polymyxin B Sulfate and Trimethoprim Ophthalmic Solution, USP is a sterile antimicrobial solution for topical ophthalmic use. It has pH of 4.0 to 6.2 and osmolality of 270 to 310 mOsm/kg. Chemical Names: Trimethoprim, 5-(3,4,5-Trimethoxybenzyl)pyrimidine-2,4-,diamine, is a white, odorless, crystalline powder with a molecular weight of 290.3 and the following structural formula: Structure Polymyxin B sulfate is the sulfate salt of polymyxin B 1 and B 2 which are produced by the growth of Bacillus polymyxa (Prazmowski) Migula (Fam. Bacillaceae). It has a potency of not less than 6,000 polymyxin B units per mg, calculated on an anhydrous basis. The structural formulae are: Structure Contains: Actives: polymyxin B sulfate 10,000 units/mL; trimethoprim sulfate equivalent to trimethoprim 1 mg/mL. Preservative: benzalkonium chloride 0.04 mg/mL. Inactives: water for injection; sodium chloride; and sulfuric acid. May also contain sodium hydroxide to adjust the pH. Molecular Structure Molecular Structure

Polymyxin B Sulfate and Trimethoprim Ophthalmic Solution, USP is a sterile antimicrobial solution for topical ophthalmic use. It has pH of 4.0 to 6.2 and osmolality of 270 to 310 mOsm/kg. Chemical Names: Trimethoprim, 5-(3,4,5-Trimethoxybenzyl)pyrimidine-2,4-,diamine, is a white, odorless, crystalline powder with a molecular weight of 290.3 and the following structural formula: Polymyxin B sulfate is the sulfate salt of polymyxin B 1 and B 2 which are produced by the growth of Bacillus polymyxa (Prazmowski) Migula (Fam. Bacillaceae). It has a potency of not less than 6,000 polymyxin B units per mg, calculated on an anhydrous basis. The structural formulae are: Contains: Actives: polymyxin B sulfate 10,000 units/mL; trimethoprim sulfate equivalent to trimethoprim 1 mg/mL. Preservative: benzalkonium chloride 0.04 mg/mL. Inactives: water for injection; sodium chloride; and sulfuric acid. May also contain sodium hydroxide to adjust the pH. Molecular Structure Molecular Structure

Sulfamethoxazole and trimethoprim is a synthetic antibacterial combination product available in DS (double strength) tablets, each containing 800 mg sulfamethoxazole and 160 mg trimethoprim; in tablets, each containing 400 mg sulfamethoxazole and 80 mg trimethoprim for oral administration. Sulfamethoxazole is N 1 -(5-methyl-3-isoxazolyl)sulfanilamide; the molecular formula is C 10 H 11 N 3 O 3 S. It is a white to off-white, practically odorless, crystalline powder, tasteless compound with a molecular weight of 253.28 and the following structural formula: Trimethoprim is 2,4-diamino-5-(3,4,5-trimethoxybenzyl)pyrimidine; the molecular formula is C 14 H 18 N 4 O 3 . It is a white or cream-colored crystals or crystalline powder with a molecular weight of 290.3 and the following structural formula: Inactive Ingredients: Docusate sodium, magnesium stearate, pregelatinized starch (maize), sodium benzoate, and sodium starch glycolate. Sulfamethoxazole Chemical Structure Trimethoprim Chemical Structure

Sulfamethoxazole and trimethoprim oral suspension, USP is a synthetic antibacterial combination product containing 200 mg sulfamethoxazole and 40 mg trimethoprim in each teaspoonful (5 mL). Sulfamethoxazole is N 1 -(5-methyl-3-isoxazolyl) sulfanilamide; the molecular formula is C 10 H 11 N 3 O 3 S. It is a white to off-white, practically odorless, crystalline powder, tasteless compound with a molecular weight of 253.28 and the following structural formula: Trimethoprim is 2,4-diamino-5-(3,4,5-trimethoxybenzyl) pyrimidine; the molecular formula is C 14 H 18 N 4 O 3 . It is a white or cream-colored crystals or crystalline powder with a molecular weight of 290.3 and the following structural formula: Each teaspoonful (5 mL) of the oral suspension contains 200 mg sulfamethoxazole and 40 mg trimethoprim as well as the following inactive ingredients: alcohol 0.04% (v/v), carboxymethylcellulose sodium, citric acid anhydrous, colloidal silicon dioxide, FD&C Red #40, flavour cherry #557, glycerin, methyl paraben, microcrystalline cellulose and carboxymethylcellulose sodium, polysorbate 80, purified water, saccharin sodium, sodium benzoate, and sorbitol solution. Sulfamethoxazole Chemical Structure Trimethoprim Chemical Structure

Sulfamethoxazole and trimethoprim is a synthetic antibacterial combination product available in DS (double strength) tablets, each containing 800 mg sulfamethoxazole and 160 mg trimethoprim; in tablets, each containing 400 mg sulfamethoxazole and 80 mg trimethoprim for oral administration. Sulfamethoxazole is N 1 -(5-methyl-3-isoxazolyl) sulfanilamide; the molecular formula is C 10 H 11 N 3 O 3 S. It is a white to off-white, practically odorless, crystalline powder, tasteless compound with a molecular weight of 253.28 and the following structural formula: Trimethoprim is 2,4-diamino-5-(3,4,5-trimethoxybenzyl) pyrimidine; the molecular formula is C 14 H 18 N 4 O 3 . It is a white or cream-colored crystals or crystalline powder with a molecular weight of 290.3 and the following structural formula: Inactive ingredients: Docusate sodium, magnesium stearate, pregelatinized starch (maize), sodium benzoate, and sodium starch glycolate. Sulfamethoxazole Chemical Structure Trimethoprim Chemical Structure

Sulfamethoxazole and trimethoprim oral suspension, USP is a synthetic antibacterial combination product containing 200 mg sulfamethoxazole and 40 mg trimethoprim in each teaspoonful (5 mL). Sulfamethoxazole is N 1 -(5-methyl-3-isoxazolyl) sulfanilamide; the molecular formula is C 10 H 11 N 3 O 3 S. It is a white to off-white, practically odorless, crystalline powder, tasteless compound with a molecular weight of 253.28 and the following structural formula: Trimethoprim is 2,4-diamino-5-(3,4,5-trimethoxybenzyl) pyrimidine; the molecular formula is C 14 H 18 N 4 O 3 . It is a white or cream-colored crystals or crystalline powder with a molecular weight of 290.3 and the following structural formula: Each teaspoonful (5 mL) of the oral suspension contains 200 mg sulfamethoxazole and 40 mg trimethoprim as well as the following inactive ingredients: alcohol 0.04% (v/v), carboxymethylcellulose sodium, citric acid anhydrous, colloidal silicon dioxide, FD&C Red #40, flavour cherry #557, glycerin, methyl paraben, microcrystalline cellulose and carboxymethylcellulose sodium, polysorbate 80, purified water, saccharin sodium, sodium benzoate, and sorbitol solution. Sulfamethoxazole Structural Formula Trimethoprim Structural Formula

Sulfamethoxazole and trimethoprim is a synthetic antibacterial combination product available in DS (double strength) tablets, each containing 800 mg sulfamethoxazole and 160 mg trimethoprim for oral administration. Sulfamethoxazole is N 1 -(5-methyl-3-isoxazolyl) sulfanilamide; the molecular formula is C 10 H 11 N 3 O 3 S. It is a white to off-white, practically odorless, crystalline powder, tasteless compound with a molecular weight of 253.28 and the following structural formula: Trimethoprim is 2,4-diamino-5-(3,4,5-trimethoxybenzyl) pyrimidine; the molecular formula is C 14 H 18 N 4 O 3 . It is a white or cream-colored crystals or crystalline powder with a molecular weight of 290.3 and the following structural formula: Inactive ingredients: Docusate sodium, magnesium stearate, pregelatinized starch (maize), sodium benzoate, and sodium starch glycolate. Sulfamethoxazole Chemical Structure Trimethoprim Chemical Structure

Sulfamethoxazole and trimethoprim is a synthetic antibacterial combination product available in DS (double strength) tablets, each containing 800 mg sulfamethoxazole and 160 mg trimethoprim for oral administration. Sulfamethoxazole is N 1 -(5-methyl-3-isoxazolyl)sulfanilamide; the molecular formula is C 10 H 11 N 3 O 3 S. It is a white to off-white, practically odorless, crystalline powder, tasteless compound with a molecular weight of 253.28 and the following structural formula: Trimethoprim is 2,4-diamino-5-(3,4,5-trimethoxybenzyl)pyrimidine; the molecular formula is C 14 H 18 N 4 O 3 . It is a white or cream-colored crystals or crystalline powder with a molecular weight of 290.3 and the following structural formula: Inactive Ingredients: Docusate sodium, magnesium stearate, pregelatinized starch (maize), sodium benzoate, and sodium starch glycolate. Sulfamethoxazole Chemical Structure Trimethoprim Chemical Structure

Sulfamethoxazole and trimethoprim is a synthetic antibacterial combination product available in DS (double strength) tablets, each containing 800 mg sulfamethoxazole and 160 mg trimethoprim; in tablets, each containing 400 mg sulfamethoxazole and 80 mg trimethoprim for oral administration. Sulfamethoxazole is N 1 -(5-methyl-3-isoxazolyl) sulfanilamide; the molecular formula is C 10 H 11 N 3 O 3 S. It is a white to off-white, practically odorless, crystalline powder, tasteless compound with a molecular weight of 253.28 and the following structural formula: Trimethoprim is 2,4-diamino-5-(3,4,5-trimethoxybenzyl) pyrimidine; the molecular formula is C 14 H 18 N 4 O 3 . It is a white or cream-colored crystals or crystalline powder with a molecular weight of 290.3 and the following structural formula: Inactive ingredients: Docusate sodium, magnesium stearate, pregelatinized starch (maize), sodium benzoate, and sodium starch glycolate. Sulfamethoxazole Chemical Structure Trimethoprim Chemical Structure

Sulfamethoxazole and trimethoprim is a synthetic antibacterial combination product available in DS (double strength) tablets, each containing 800 mg sulfamethoxazole and 160 mg trimethoprim; in tablets, each containing 400 mg sulfamethoxazole and 80 mg trimethoprim for oral administration. Sulfamethoxazole is N 1 -(5-methyl-3-isoxazolyl) sulfanilamide; the molecular formula is C 10 H 11 N 3 O 3 S. It is a white to off-white, practically odorless, crystalline powder, tasteless compound with a molecular weight of 253.28 and the following structural formula: Trimethoprim is 2,4-diamino-5-(3,4,5-trimethoxybenzyl) pyrimidine; the molecular formula is C 14 H 18 N 4 O 3 . It is a white or cream-colored crystals or crystalline powder with a molecular weight of 290.3 and the following structural formula: Inactive ingredients: Docusate sodium, magnesium stearate, pregelatinized starch (maize), sodium benzoate, and sodium starch glycolate. Sulfamethoxazole Chemical Structure Trimethoprim Chemical Structure

Sulfamethoxazole and trimethoprim tablets are a synthetic antibacterial combination product available in DS (double strength) tablets, each containing 800 mg sulfamethoxazole and 160 mg trimethoprim; in tablets, each containing 400 mg sulfamethoxazole and 80 mg trimethoprim for oral administration. Sulfamethoxazole is N 1 -(5-methyl-3-isoxazolyl) sulfanilamide; the molecular formula is C 10 H 11 N 3 O 3 S. It is an almost white, odorless, tasteless compound with a molecular weight of 253.28 and the following structural formula: Trimethoprim is 2,4-diamino-5-(3,4,5-trimethoxybenzyl) pyrimidine; the molecular formula is C 14 H 18 N 4 O 3 . It is a white to light yellow, odorless, bitter compound with a molecular weight of 290.3 and the following structural formula: Inactive ingredients: Docusate sodium 85%, sodium benzoate 15%, sodium starch glycolate, magnesium stearate and pregelatinized starch. Chemical Structure chemical structure

Sulfamethoxazole and trimethoprim is a synthetic antibacterial combination product available as each containing 800 mg sulfamethoxazole and 160 mg trimethoprim for oral administration. Sulfamethoxazole is N 1 -(5-methyl-3-isoxazolyl) sulfanilamide; the molecular formula is C 10 H 11 N 3 O 3 S. It is a white to off-white, practically odorless, crystalline powder, tasteless compound with a molecular weight of 253.28 and the following structural formula: Trimethoprim is 2,4-diamino-5-(3,4,5-trimethoxybenzyl) pyrimidine; the molecular formula is C 14 H 18 N 4 O 3 . It is a white or cream-colored crystals or crystalline powder with a molecular weight of 290.3 and the following structural formula: Inactive ingredients: Docusate sodium, magnesium stearate, pregelatinized starch (maize), sodium benzoate, and sodium starch glycolate. Sulfamethoxazole Chemical Structure Trimethoprim Chemical Structure

Sulfamethoxazole and trimethoprim is a synthetic antibacterial combination product available in DS (double strength) tablets, each containing 800 mg sulfamethoxazole, USP and 160 mg trimethoprim, USP; in tablets, each containing 400 mg sulfamethoxazole, USP and 80 mg trimethoprim, USP for oral administration. Sulfamethoxazole is N 1 -(5-methyl-3-isoxazolyl) sulfanilamide; the molecular formula is C 10 H 11 N 3 O 3 S. It is an almost white, odorless, tasteless compound with a molecular weight of 253.28 and the following structural formula: Trimethoprim is 2,4-diamino-5-(3,4,5-trimethoxybenzyl) pyrimidine; the molecular formula is C 14 H 18 N 4 O 3 . It is a white to light yellow, odorless, bitter compound with a molecular weight of 290.3 and the following structural formula: Inactive ingredients: Magnesium stearate, povidone, pregelatinized starch and sodium starch glycolate. lk uy

Sulfamethoxazole and trimethoprim is a synthetic antibacterial combination product available in DS (double strength) tablets, each containing 800 mg sulfamethoxazole and 160 mg trimethoprim; in tablets, each containing 400 mg sulfamethoxazole and 80 mg trimethoprim for oral administration. Sulfamethoxazole is N 1 -(5-methyl-3-isoxazolyl) sulfanilamide; the molecular formula is C 10 H 11 N 3 O 3 S. It is a white to off-white, practically odorless, crystalline powder, tasteless compound with a molecular weight of 253.28 and the following structural formula: Trimethoprim is 2,4-diamino-5-(3,4,5-trimethoxybenzyl) pyrimidine; the molecular formula is C 14 H 18 N 4 O 3 . It is a white or cream-colored crystals or crystalline powder with a molecular weight of 290.3 and the following structural formula: Inactive ingredients: Docusate sodium, magnesium stearate, pregelatinized starch (maize), sodium benzoate, and sodium starch glycolate. Sulfamethoxazole Chemical Structure Trimethoprim Chemical Structure

Sulfamethoxazole and trimethoprim is a synthetic antibacterial combination product available in DS (double strength) tablets, each containing 800 mg sulfamethoxazole, USP and 160 mg trimethoprim, USP; in tablets, each containing 400 mg sulfamethoxazole, USP and 80 mg trimethoprim, USP for oral administration. Sulfamethoxazole, USP is N 1 -(5-methyl-3-isoxazolyl) sulfanilamide; the molecular formula is C 10 H 11 N 3 O 3 S. It is almost white, odorless, tasteless compound with a molecular weight of 253.28 and the following structural formula: Trimethoprim, USP is 2,4-diamino-5-(3,4,5-trimethoxybenzyl) pyrimidine; the molecular formula is C 14 H 18 N 4 O 3 . It is a white to light yellow, odorless, bitter compound with a molecular weight of 290.3. It has the following structural formula: Inactive Ingredients : Magnesium stearate, povidone, pregelatinized starch and sodium starch glycolate. fad6060f-figure-01 fad6060f-figure-02

Sulfamethoxazole and trimethoprim is a synthetic antibacterial combination product available in DS (double strength) tablets, each containing 800 mg sulfamethoxazole and 160 mg trimethoprim; in tablets, each containing 400 mg sulfamethoxazole and 80 mg trimethoprim for oral administration. Sulfamethoxazole is N 1 -(5-methyl-3-isoxazolyl) sulfanilamide; the molecular formula is C 10 H 11 N 3 O 3 S. It is a white to off-white, practically odorless, crystalline powder, tasteless compound with a molecular weight of 253.28 and the following structural formula: Trimethoprim is 2,4-diamino-5-(3,4,5-trimethoxybenzyl) pyrimidine; the molecular formula is C 14 H 18 N 4 O 3 . It is a white or cream-colored crystals or crystalline powder with a molecular weight of 290.3 and the following structural formula: Inactive ingredients: Docusate sodium, magnesium stearate, pregelatinized starch (maize), sodium benzoate, and sodium starch glycolate. Sulfamethoxazole Chemical Structure Trimethoprim Chemical Structure

Sulfamethoxazole and trimethoprim tablets are a synthetic antibacterial combination product available in DS (double strength) tablets, each containing 800 mg sulfamethoxazole and 160 mg trimethoprim; in tablets, each containing 400 mg sulfamethoxazole and 80 mg trimethoprim for oral administration. Sulfamethoxazole is N 1 -(5-methyl-3-isoxazolyl) sulfanilamide; the molecular formula is C 10 H 11 N 3 O 3 S. It is an almost white, odorless, tasteless compound with a molecular weight of 253.28 and the following structural formula: Trimethoprim is 2,4-diamino-5-(3,4,5-trimethoxybenzyl) pyrimidine; the molecular formula is C 14 H 18 N 4 O 3 . It is a white to light yellow, odorless, bitter compound with a molecular weight of 290.3 and the following structural formula: Inactive ingredients: Docusate sodium 85%, sodium benzoate 15%, sodium starch glycolate, magnesium stearate and pregelatinized starch. Chemical Structure chemical structure

Sulfamethoxazole and trimethoprim is a synthetic antibacterial combination product available in DS (double strength) tablets, each containing 800 mg sulfamethoxazole, USP and 160 mg trimethoprim, USP; in tablets, each containing 400 mg sulfamethoxazole, USP and 80 mg trimethoprim, USP for oral administration. Sulfamethoxazole is N 1 -(5-methyl-3-isoxazolyl) sulfanilamide; the molecular formula is C 10 H 11 N 3 O 3 S. It is an almost white, odorless, tasteless compound with a molecular weight of 253.28 and the following structural formula: Trimethoprim is 2,4-diamino-5-(3,4,5-trimethoxybenzyl) pyrimidine; the molecular formula is C 14 H 18 N 4 O 3 . It is a white to light yellow, odorless, bitter compound with a molecular weight of 290.3 and the following structural formula: Inactive ingredients: Magnesium stearate, povidone, pregelatinized starch and sodium starch glycolate. lk uy

Sulfamethoxazole and trimethoprim is a synthetic antibacterial combination product available in DS (double strength) tablets, each containing 800 mg sulfamethoxazole and 160 mg trimethoprim; in tablets, each containing 400 mg sulfamethoxazole and 80 mg trimethoprim for oral administration. Sulfamethoxazole is N 1 -(5-methyl-3-isoxazolyl) sulfanilamide; the molecular formula is C 10 H 11 N 3 O 3 S. It is a white to off-white, practically odorless, crystalline powder, tasteless compound with a molecular weight of 253.28 and the following structural formula: Trimethoprim is 2,4-diamino-5-(3,4,5-trimethoxybenzyl) pyrimidine; the molecular formula is C 14 H 18 N 4 O 3 . It is a white or cream-colored crystals or crystalline powder with a molecular weight of 290.3 and the following structural formula: Inactive ingredients: Docusate sodium, magnesium stearate, pregelatinized starch (maize), sodium benzoate, and sodium starch glycolate. Sulfamethoxazole Chemical Structure Trimethoprim Chemical Structure