- (medicine) A sensation of restlessness characterized by an inability to sit still/down or remain motionless/seated, arising from a subjective need or desire to move, often coinciding with the sensation of twitching of muscles, often as a side effect of psychiatric medications.
1903, American Medical Association, The Journal of the American Medical Association, volume 40, 1, page 544:
- Haskowic first described this condition last November and applied the term "Akathisia" to it. The subject can seat himself and remain seated a few minutes, but then the contortions begin, and unless he gets up he suffers actual torture.
1973, Arthur Osol, Robertson Pratt, The United States Dispensatory, volume 27, J.B. Lippincott Company, page 305:
- Central Nervous System Effects: Neuromuscular (extrapyramidal) reactions: These are usually dosage-related and may be of three forms: (1) pseudoparkinsonism, (2) akathisia (motor restlessness), and (3) dystonias.
sensation of restlessness characterized by an inability to sit still