TABLE 1—

Medication Classes Prescribed at Each Visit by Condition, Defined by National Drug Code and Multum Categorization Schemes: National Ambulatory Medical Care Survey, 2005–2007

Condition	Medication Classes
Hypertension	Agents for hypertensive emergencies, angiotensin-converting enzyme inhibitors, peripherally acting antiadrenergic agents, centrally acting antiadrenergic agents, beta blockers, calcium channel blockers, diuretics, vasodilators, angiotensin II inhibitors, antihypertensive combinations, aldosterone receptor agonists, renin inhibitors, insulin
Diabetes	Sulfonylureas, nonsulfonylureas, cholesterol absorption inhibitors, α-glucosidase inhibitors, thiazolidinediones, meglitinides, miscellaneous antidiabetic agents, antidiabetic combinations, dipeptidyl peptidase 4 inhibitors, amylin analogs
Hyperlipidemia	Fibric acid derivatives, bile acid sequestrants, cholesterol absorption inhibitors, antihyperlipidemic combinations, hydroxymethyl-glutaryl-CoA reductase inhibitors, miscellaneous
Asthma	Methylxanthines, adrenergic bronchodilators, anticholinergic bronchodilators, bronchodilator combinations, inhaled corticosteroids, mast cell stabilizers, antiasthmatic combinations, upper respiratory combinations, leukotriene modifiers
Depression	Selective serotonin reuptake inhibitors, tricyclics, monoamine oxidase inhibitors, phenylpiperazines, tetracyclics, selective serotonin norepinephrine reuptake inhibitors, miscellaneous
Tobacco use	Nicotine patch, nicotine gum, nicotine lozenge, nicotine nasal spray, nicotine inhaler, varenicline, bupropion