query: What's the difference between generic medication and name brand?
passage: Generic drug
A generic drug is a pharmaceutical drug that has the same chemical substance as the drug that was originally developed, patented and innovated. Generic drugs are allowed for sale after the expiry of the patent of the original drugs. Because the active chemical substance is the same, the medical profile of generics is believed to be equivalent in performance.[1][2] The generic drug has the same active pharmaceutical ingredient (API) as the original, but it may differ in characteristics such as manufacturing process, formulation, excipients, color, taste, and packaging.[2][3]
passage: Prescription drug prices in the United States
Companies that want to manufacture generic drugs must show in their applications to the FDA that they guarantee quality and bioequivalence. In July 2016, the FDA generic drug application backlog comprised 4,036 generics. On the other hand, the European Medicine Agency (EMA), Europe's equivalent to the FDA, had only 24 generics drug applications awaiting approval. This count includes biologically based biosimilars awaiting approval. The FDA's generic count doesn't include biosimilars, which are more complicated medicines to review. According to Generic Pharmaceutical Association, the median time it takes for the FDA to approve a generic is 47 months.