Related Words

Dystonia: Disordered tonicity of muscles.

Acute Dystonia: An extrapyramidal symptom caused by some antipsychotics which takes the form of involuntary twisting of the muscles in the head and neck. Features include involuntary tongue protrusion, grim . . . View Full Definition

Torticollis: (tor-ti-kol-is) A contraction of one or more of the neck muscles on one side, resulting in an abnormal position of the head. Also called wry neck. (See dystonia.)

Extrapyramidal Symptoms (EPS): Movement disorders which can be a side effect of antipsychotic medications. They include acute dystonia, akathisia, parkinsonism and tardive dyskinesia.