 [ Symptoms ] is there a problem with generic epilepsy drugs [ Disease ] the fda tightly regulates the manufacture of all generic drugs just like brand name drugs epilepsy drugs are held to the same high standards generic epilepsy drugs have precisely the same amount of drug as the brand name version generic drugs must meet the same high standards for purity quality and strength as the drugs they imitate in reviews done by the fda generic drugs achieve almost exactly the blood levels as brand names    with only a 3 to 4 difference experts believe that whatever problem with generic drugs exists it does not affect most people with epilepsy for the vast majority of patients there probably is not a problem with switching to a generic  says jacqueline french md professor of neurology at new york university is school of medicine but some people are on relatively thin ice when it comes to seizure control they are sensitive to small changes in blood levels of their epilepsy drugs she says