I've been doing some pharmaceutical research and thought I'd share a couple of good resources:

List of the 10 Most-Prescribed and Top-Selling Medications:

https://www.webmd.com/drug-medication/news/20150508/most-prescribed-top-selling-drugs

Comprehension of Top 200 Prescribed Drugs in the US as a Resource for Pharmacy Teaching, Training and Practice:

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6025009/