Unpleasant, uncomfortable muscular tension and restlessness, generally caused by medications such as neuroleptic antipsychotics. Also spelled “acathisia”.
Example: A schizophrenic man starts taking a neuroleptic. He soon begins restless pacing. When he’s seated, his legs continue to move.
Grinnell, R. (2016). Akathisia. Psych Central. Retrieved on May 19, 2017, from https://psychcentral.com/encyclopedia/akathisia/