Catatonia is a neuropsychiatric syndrome affecting movement, emotion, speech, and behavior, which commonly occurs secondary to medical or psychiatric disorders and with comorbid illnesses. We report the case of an 18-year-old male with a history of depression, anxiety, attention-deficit/hyperactivity disorder, polysubstance use, and previous suicide attempts who presented to the hospital from a residential eating disorders treatment facility, due to psychomotor slowing. The patient scored 3 or…