DRUG ANNUAL SALES TREATS MANUFACTURER

Lipitor $6.8 billion cholesterol Pfizer Inc.
Zocor $4.4 billion cholesterol Merck & Co.
Prevacid $4.0 billion heartburn TAP Pharma
Procrit $3.3 billion anemia Johnson & Johnson
Zyprexa $3.2 billion mental illness Eli Lilly & Co.
Epogen $3.1 billion anemia Amgen
Nexium $3.1 billion heartburn Merck & Co.
Zoloft $2.9 billion depression Pfizer Inc.
Celebrex $2.6 billion arthritis Pfizer Inc.
Neurontin $2.4 billion epilepsy Pfizer Inc.
Advair Diskus $2.3 billion asthma GlaxoSmithKline PLC
Plavix $2.2 billion blood clots Bristol-Myers Squibb
Norvasc $2.2 billion hypertension Pfizer Inc.
Effexor XR $2.1 billion depression Wyeth
Pravachol $2.0 billion cholesterol Bristol-Myers Squibb
Risperdal $2.0 billion mental illness Johnson & Johnson
Oxycontin $1.9 billion pain Perdue Pharma
Fosamax $1.8 billion osteoporosis Merck & Co.
Protonix $1.8 billion gastrointestinal Wyeth
Vioxx $1.8 billion arthritis Merck & Co.