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
Jesus Porta-Etessam, Alberto Villarejo, Lidia Gomez Vicente