Amphetamine Methamphetamine Prescription stimulants such as amfepramone , fenetylline , methylphenidate ( Ritalin ) , pemoline , phenmetrazine , phentermine and dextroamphetamine `` Ecstasy '' -type substances ( e.g . MDA , MDE/MDEA , MDMA ) MDA=methylenedioxyamphetamine ; MDEA=3,4-methylenedioxyethylamphetamine ; MDMA=methylenedioxymethamphetamine .