Reply To: Methylphenidate manufacturer changed and it doesn’t seem to work as well.

Home Welcome to the ADDitude Forums For Parents Methylphenidate manufacturer changed and it doesn’t seem to work as well. Reply To: Methylphenidate manufacturer changed and it doesn’t seem to work as well.

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A more detailed description of, and research into, Concerta (methylphenidate) differences has been made by Gina Pera at adhdrollercoaster.org: https://adhdrollercoaster.org/medication/authorized-generic-concerta-update-6-1-19/