Kids with this disorder act out because they can't manage big emotions.
Occasional tantrums and irritability are normal parts of childhood, but some kids have frequent, extreme tantrums — at an age when most kids have outgrown them — and are irritable most of the time. Those are signs that they might have what’s called disruptive mood dysregulation disorder, or DMDD. It’s a mouthful of a name, but the key words are “disruptive,” which refers to behavior like tantrums and outbursts, and “dysregulation,” which means that these kids can’t manage their emotions in an age-appropriate way.
Kids who have DMDD have usually had, from infancy, a difficult temperament. They have had a hard time self-soothing, and trouble adapting to changes without getting upset or losing their temper. As toddlers, they’ve been strong-willed and difficult to manage. And by grade school age, they’re still having tantrums that are no longer developmentally appropriate. Click here to continue reading.