AVALIDE (irbesartan-hydrochlorothiazide) Tablets is a combination of an angiotensin II receptor antagonist (AT subtype), irbesartan, and a thiazide diuretic, hydrochlorothiazide (HCTZ). Irbesartan is a non-peptide compound, chemically described as a 2-butyl-3-[-(-1-tetrazol-5-ylphenyl)benzyl]-1,3-diazaspiro[4.4]non-1-en-4-one. Its empirical formula is CHNO, and its structural formula… Continue Reading


Amitiza (lubiprostone) is chemically designated as (–)-7-[(2,4a,5,7a)-2-(1,1-difluoropentyl)-2-hydroxy-6-oxooctahydrocyclopenta[]pyran-5-yl]heptanoic acid. The molecular formula of lubiprostone is CHFO with a molecular weight of 390.46 and a chemical structure as follows: Lubiprostone drug substance occurs as white, odorless crystals or crystalline powder, is very… Continue Reading


ACTONEL (risedronate sodium) tablets is a pyridinyl bisphosphonate that inhibits osteoclast-mediated bone resorption and modulates bone metabolism. Each ACTONEL tablet for oral administration contains the equivalent of 5, 30, 35, 75, or 150 mg of anhydrous risedronate sodium in the… Continue Reading

Acetaminophen And Codeine

Acetaminophen and codeine is supplied in tablet form for oral administration. Acetaminophen, 4′-hydroxyacetanilide, a slightly bitter, white, odorless, crystalline powder, is a non-opiate, non-salicylate analgesic and antipyretic. It has the following structural formula: Codeine phosphate, 7,8-didehydro-4,5α-epoxy-3-methoxy-17methylmorphinan-6α-ol phosphate (1:1) (salt) hemihydrate,… Continue Reading


Zafirlukast is a synthetic, selective peptide leukotriene receptor antagonist (LTRA), with the chemical name 4-(5-cyclopentyloxy-carbonylamino-1-methyl-indol-3-ylmethyl)-3-methoxy-N-o-tolylsulfonylbenzamide. The molecular weight of zafirlukast is 575.7 and the structural formula is: The empirical formula is: CHNOS Zafirlukast, a fine white to pale yellow amorphous… Continue Reading


Adapalene Gel, containing adapalene, is used for the topical treatment of acne vulgaris. Each gram of Adapalene Gel contains adapalene 0.1% (1 mg) in a vehicle consisting of carbomer homopolymer type C, disodium edetate, methylparaben, poloxamer 182, propylene glycol, purified… Continue Reading

Atenolol and Chlorthalidone

Atenolol and chlorthalidone tablets are for the treatment of hypertension. It combines the antihypertensive activity of two agents: a beta-selective (cardioselective) hydrophilic blocking agent (atenolol), and a monosulfonamyl diuretic (chlorthalidone). Atenolol is Benzeneacetamide, 4-[2-hydroxy-3-[(1-methylethyl)amino]propoxy]-. It has the following structural formula:… Continue Reading


Adenosine is an endogenous nucleoside occurring in all cells of the body. It is chemically 6-amino-9-ß-D-ribofuranosyl-9-H-purine and has the following structural formula: Adenosine is a white crystalline powder. It is soluble in water and practically insoluble in alcohol. Solubility increases… Continue Reading

Alcortin A

Each gram of Alcortin® A contains 2.0% (20 mg) Hydrocortisone Acetate and 1.0% (10 mg) Iodoquinol. Also contains 1.0% (10 mg) Aloe polysaccharide. Other ingredients: Purified Water, Carbopol, Magnesium Aluminum Silicate, PPG-20 Methyl Glucose Ether, Aminomethyl Propanol, Propylene Glycol, Glycerine,… Continue Reading