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  • Title: Neuroleptic-induced catatonia in two hospitalized patients.
    Author: Gugger JJ, Saad M, Smith C.
    Journal: J Pharm Pract; 2012 Apr; 25(2):250-4. PubMed ID: 22048928.
    Abstract:
    PURPOSE: To report the cases of 2 hospitalized patients with chronic psychotic disorders who developed neuroleptic-induced catatonia (NIC), a catatonic-extrapyramidal syndrome occurring after administration of a D2-receptor antagonist, and delineate the importance of prompt recognition and treatment. METHODS: Two patients with chronic psychotic disorders were admitted to the hospital for unstable medical conditions at which time their maintenance antipsychotic therapy was discontinued. Following administration of intravenous haloperidol, both patients developed catatonic and extrapyramidal signs. Both patients developed catatonia, rigidity, hyperthermia, leukocytosis, and elevations in creatine kinase. In both cases, the patients met the criteria for catatonia as evidenced by motoric immobility, stupor, mutism, and negativism. The syndrome resolved within a few days of stopping haloperidol and initiation of lorazepam. CONCLUSION: Neuroleptic-induced catatonia is underrecognized and can lead to potentially severe complications, although early recognition and treatment may prevent progression and complications. Previous reports do not underscore the importance of prompt recognition and treatment.
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