Motor disorders such as involuntary repetitive facial movements, lip smacking, involuntary movements of the trunk and limbs, and twitching is

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Tardive dyskinesia is a motor disorder characterized by involuntary repetitive movements such as facial grimacing, lip smacking, tongue protrusion, and rapid eye blinking. It is often a side effect of long-term use of certain medications, such as antipsychotics.

Motor Disorders Such as Involuntary Repetitive Facial Movements, Lip Smacking