Methylphedidate was taken for years. Methylin was substituted on 1/11/11 instead. Very specifically in the Patient Prescription Info: There are diufferent brands and form of this medication available. Not sall have identical effects. Do not change brands forms without consulting your doctor or pharmacist. There was no notice of the change given and therefore no consultation. Many prescriptions are taken by individual and to change one slightly would have grave effects on others taken and therefore threaten my health. This is the... read full review »