Ph?i h?p trong ?i?u tr? nh?ng tr??ng h?p h? mi?n d?ch ho?t ??ng quá m?c:Patients with Renal Impairment Methylin has not been studied in in clients with renal impairment. Considering that renal clearance will not be an important route of methylphenidate clearance, renal impairment is anticipated to acquire minimal impact on the pharmacokinetics of