A 50-year-old man with multiple psychiatric comorbidities including major depressive disorder and general anxiety disorder presented to the emergency room (ER) with altered mental status, immobility and mutism. The patient was unresponsive to commands and unable to provide any history. In the ER he was given a provisional diagnosis of cerebrovascular accident (CVA). Vital signs on admission were stable. On physical examination, he exhibited grimacing, muscle rigidity and areflexia. Workup for CVA and infectious aetiology was unremarkable and the patient's urine toxicology screen was negative. History from the patient's family revealed that 4 days prior to presentation, the patient had discontinued his prescribed dose of alprazolam 1 mg four times per day. The patient was diagnosed with catatonia due to benzodiazepine withdrawal and had gradual return to baseline with administration of lorazepam 1 mg intravenous three times per day.
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