left the profession years ago) we were taught that generic
drugs absolutely are different than brand name drugs.
drugs first became the rage, (in the 1970's and 1980's) the public was fed the lie "they are just as good as the brand name, and cheaper!" Not true.
It isn't just the inert ingredients (which can cause allergic rx's in some people) it is the way the pills are manufactured, the process, exact dosing, etc.