• Laura Ridgeway, Albert Okoye, Ian McClelland, Dirk Dhossche, Deniz Kutay, and Mario Loureiro.
• Department of Child and Adolescent Psychiatry, University Hospital Waterford, Waterford, Ireland.
• Front Psychiatry. 2021 Jan 1; 12: 637886.

AbstractA case of a 12-year-old boy who developed catatonia is presented. He had no previous psychiatric history but has a family history of affective disorder. An extensive medical workup was negative. Despite a negative lorazepam challenge test, lorazepam was titrated up to 24 mg/day, with resolution of most catatonic symptoms. The case highlights an important point in the management of catatonia that may be a source of confusion, i.e., a positive lorazepam challenge test corroborates the diagnosis of catatonia; however, a negative lorazepam challenge test does not negate the diagnosis of catatonia, and subsequent focused benzodiazepine treatment may still be effective.Copyright © 2021 Ridgeway, Okoye, McClelland, Dhossche, Kutay and Loureiro.

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