Generic drugs are copies of brand-name drugs that have precisely the same chemical structure ,dosage,uses, side effects, route of administration, risks, safety,& strength as that the original drug. Generic drugs are copies of brand-name drugs that have exactly the same dosage, intended use, effects, side effects, route of administration, risks, safety, and strength as the original drug. In other words, their pharmacological effects are exactly the same as those of their brand-name counterparts.
An example of a generic drug, one used for diabetes, is metformin. A brand name for metformin is Glucophage. (Brand names are usually capitalized while generic names are not.) A generic drug, one used for hypertension, is metoprolol, whereas a brand name for the same drug is Lopressor.