Should I take brand name or generic medication for my osteoarthritis symptoms?
Medications in the United States are regulated by the Food and Drug Administration (FDA). If a drug company says that its drug has a certain amount of medication in it, then the FDA is supposed to ensure that it t...


The FDA allows the generic medications an error range of 80% to 120% of the active ingredient. So a generic medication can contain 20% less, or 20% more and still be acceptable.
RPh