Letter to Editor
Jesus Porta-Etessam, Alberto V
Abstract
Tardive dyskinesia (TD) is one of the most worrisome side effects associated to narcolepticstreatment (1, 2). Repetitive and patterned movement characterizes this condition.The most typical form of TD is oro-lingual-masticatory the movement (3). Wereport a patient who developed a TD after 9 month of treatment with rivastigmine (cholinesterase inhibitor). Continuos cholinergic-dopaminergic misbalance could bea factor in the pathophysiology of TD