Abstract
Catatonia is a syndrome resulting in both severe motor and speech disturbances. Catatonia in a dual diagnosis of cannabis dependence and depressive disorder is presented. A 28-year-old male, who had background diagnoses of cannabis dependence and moderate depressive episode, was admitted involuntarily to a psychiatry unit due to aggressiveness. A diagnosis of catatonia was made (Bush-Francis Catatonia Rating Scale score = 19/69). Routine blood profile, CT scan brain, anti-NMDA, anti-potassium channel and anti-glutamic acid decarboxylase (GAD) antibodies were all normal. He was treated with lorazepam. His symptoms resolved completely after 5 days.
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