Converting from OROS methylphenidate (Concerta®) to an amphetamine preparation is a two-step process

Question from a Member: Is there a formula for converting from methylphenidate preparations to amphetamine preparations? For example, I have a patient on Concerta [extended-release methylphendiate] 72 mg per day. Not working as well. On another page on this website, we have discussed how to convert between different preparations of stimulants. If you have not…