Can you please suggest us the Drugs Migration Steps
What are the Primary things need to Migrate the Drugs from Legacy to Sap for the Medication - For the Pathways
this is well documented in [SAPHELP|http://help.sap.com/erp2005_ehp_04/helpdata/en/44/0d401db769648fe10000000a1553f7/content.htm].
note the link Import Drugs into Internal Drug Catalog in there as well.
hope it helps,