Dexmethylphenidate, and potentially other methylphenidates used in the treatment of attention deficit hyperactivity disorder (ADHD), may cause severe muscle pain and stiffness. Medication side effects should be considered as the possible cause if a patient with ADHD develops severe symptoms.
© 2020 The Authors. Clinical Case Reports published by John Wiley & Sons Ltd.
The authors have no conflicts of interest relevant to this article to disclose.