Topic Tag: change manufacturer Search for: Home › Welcome to the ADDitude Forums › Topic Tag: change manufacturer Viewing topic 1 (of 1 total) Topic Voices Posts Last Post Methylphenidate manufacturer changed and it doesn’t seem to work as well. Started by: AndieBaer in: For Parents 22 37 8 months, 2 weeks ago chris py Viewing topic 1 (of 1 total)