For the pharmaceuticals that you chose, provide a brief write up (about 1/2 page each, 1 page total) with the following information:
The information that you are looking for often is found in a document called the "prescribing information" insert. If you search on the web for the name of the drug and the phrase "prescribing information" you are probably going to find what you need without too much trouble.
For your added enjoyment:
Posters of Top 200 Drugs Top 100 Drugs by Sales