Characterised by sudden episodes of anger or rage in which a person might even become physically violent. These episodes may last from a few seconds to a few minutes and might or might not be followed by a feeling of guilt and regret on the part of the offending individual. The intensity of anger is significantly disproportionate to the situation. Recurrent such episodes may be a sign of Intermittent Explosive Episodes. Most people with IED also struggle with anxiety, depression, substance use, ADD or personality disorders.