Disruptive Mood Dysregulation Disorder (DMDD)
Educational tool. Not medical advice.
Diagnostic timing
1 wk1 mo6 mo1 yr2 yr
Timing criteria (plain language)
Duration of symptoms needed to diagnose: at least 1 year.
Nuances: Symptoms present ≥12 months with no symptom-free period ≥3 consecutive months; diagnosis ages 6–18.