A 30-year-old man had involuntary orofaciolingual movements for 7 years and unsteady gait for 2 months. At age 23 years, he began experiencing involuntary orofaciolingual movements and vocalizations. At age 27 years, he developed dysphagia, dysarthria, and involuntary tongue- and lip-biting. This oral dyskinesias worsened while eating. However, a handkerchief in the mouth markedly reduced involuntary tongue-biting and mouth movements. No neuropsychiatric symptoms or seizures were exhibited.
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Tian X, Wang X, Xiao F. Orofacial Dyskinesia in a Young Man. JAMA Neurol. Published online September 23, 2019. doi:10.1001/jamaneurol.2019.3072
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