# of U.S. Prescriptions - 2009
[IMS Health]
Total Prescriptions
3.9 billion
lipid
#1
210.5 million
codeine
#2
200.2 million
ADs
#3
168.7 million
ACEi
#4
162.8 million
AEDs
#7
104.5 million
benzos
#11
87.9 million
arthritis
#13
77.9 million