ACE, Angiotensin-converting enzyme; ACS, acute coronary syndrome; ADHD, attention deficit hyperactivity disorder; Adj Ther POS, Adjunctive therapy for adult patients with partial onset seizures, ARB, angiotensin II receptor blocker; BPH, benign prostatic hypertrophy; CCB, calcium channel blocker; CHF, congestive heart failure; CNS, central nervous system; COPD, chronic obstructive pulmonary disease; COX-2, cyclooxygenase 2; DMARD, disease-modifying antirheumatic drug; ED, erectile dysfunction; GERD, gastrointestinal esophageal reflux disease; HMG-CoA, 3-hydroxy-3-methylglutaryl coenzyme A; H1-RA, histamine₁ receptor antagonist; H2-RA, histamine₂ receptor antagonist (H₂-blockers); HTN, hypertension; NMDA, N-methyl-d-aspartate; NPDPN, neuropathic pain associated with diabetic peripheral neuropathy; NSAID, nonsteroidal antiinflammatory drug; ophth, ophthalmic; OCD, obsessive compulsive disorder; PHN, postherpetic neuralgia; PMDD, premenstrual dysphoric disorder; PTSD, post-traumatic stress disorder; PUD, peptic ulcer disease; SERM, selective estrogen receptor modulator; soln, solution; SSNRI, selective serotonin and norepinephrine reuptake inhibitor; SSRI, selective serotonin reuptake inhibitor; TCA, tricyclic antidepressant; UTI, urinary tract infection.

^*Drugs are ranked from number 1, the most prescribed drug in 2008, to number 200, the least prescribed drug based on the number of prescriptions written.

^†Name by which prescribed; if prescribed by generic name, that name is listed in this column.

^‡One indication listed; many other indications often exist.

Data from 2008 top 200 generic drugs by total prescriptions and 2008 top 200 branded drugs by total prescriptions, Drug Topics June: 4-6, 10-12.