A disorder characterized by recurrent episodes of serious assaultive acts or destruction of property due to a failure to resist aggressive impulses; the degree of aggression during these episodes is grossly out of proportion to any psychosocial provocation. the aggressive episodes are not etiologically linked to another mental disorder, a general medical condition, or substance use.

Intermittent explosive disorder (IED), or episodic dyscontrol syndrome (EDS), is a mental and behavioral disorder characterized by explosive outbursts of anger or violence, often to the point of rage, that are disproportionate to the situation at hand (e.g., impulsive shouting, screaming, or excessive reprimanding triggered by relatively inconsequential events). Impulsive aggression is not premeditated, and is defined by a disproportionate reaction to any provocation, real or perceived, that would often be associated with a choleric temperament...