Methylphenidate May be Related to Muscle Pain, Cramps and Stiffness: Two Case Reports

Muscle Complaints Associated to Methylphenidate

Abstract

This report raises attention to a possible underrecognized and underreported muscular symptoms, such as pain, stiffness and cramps associated with the use of psychostimulants and that were observed in two adult patients, one male and one female, with improvement of the complaints after withdrawal of the medication.