title: OTC drugs: categories I, II, and III.
authors.forename: Dawn
authors.initials: D
authors.lastname: Whitehill
mesh_terms: D002400:Cathartics / Q000145:classification; D017277:Drug Approval / Q000458:organization & administration; D004338:Drug Combinations; D004341:Drug Evaluation / Q000379:methods; D006801:Humans; D007616:Kaolin / Q000145:classification; D004366:Nonprescription Drugs / Q000145:classification*; D010368:Pectins / Q000145:classification; D031955:Rhamnus / Q000145:classification; D014481:United States; D014486:United States Food and Drug Administration
chemical_list: D002400:Cathartics; D004338:Drug Combinations; D004366:Nonprescription Drugs; D007616:Kaolin; C017448:pectin-kaolin combination; D010368:Pectins