According to DSM-5, which of the following is a valid diagnostic criterion for intermittent explosive disorder?

• A The disorder cannot be diagnosed before the age of 18 years
• B All episodes must involve physical assault on another person
• C The outbursts must be present for a continuous period of at least 2 years
• D At least three behavioural outbursts in a 12-month period resulting in property damage or physical injury ✓

Explanation

DSM-5 accepts either verbal aggression such as tantrums or arguments occurring at least twice weekly for three months, or three behavioural outbursts within twelve months causing damage to property or physical injury, which makes option D a valid criterion. Verbal-only episodes can qualify, killing option B. The minimum age of onset is six years, so option A is wrong, and no two-year continuous duration is required.

Reference: Diagnostic and Statistical Manual of Mental Disorders, 5th ed.

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