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. (2008). Akathisia. Psych Central. Retrieved on April 25, 2015, from http://psychcentral.com/encyclopedia/2008/akathisia/