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Akathisia is a movement disorder that is defined by the inability to sit still and is usually associated with extrapyramidal side effects of psychiatric medications, especially first-generation antipsychotics. Subjective symptoms of akathisia include internal feelings of pain, jitteriness, anxiety, restlessness, and discomfort throughout the body. Objective signs of akathisia result from these inner feelings of discomfort and include purposeful, repetitive movement often characterized by an inability to stay seated, excessive walking, running, or pacing. There are several classes of akathisia: acute, chronic, tardive, withdrawal, and pseudoakathisia. Acute akathisia typically begins shortly after starting or increasing dose of medication. Chronic akathisia lasts more than 6 months following the start of medication. Tardive akathisia is a severe form of movement disorder, which begins 3 months or later ...

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