Acute dystonic reactions are becoming much less prevalent in clinical practice due to the use of newer antipsychotics. Drug-drug interactions, patient characteristics, and environmental and genetic factors all contribute to the rate of occurrence of acute dystonia with second generation agents. In this case, we report a glossopharyngeal dystonia secondary to a lurasidone-fluoxetine CYP-3A4 interaction to highlight the importance of maintaining an index of suspicion for laryngeal dystonia, a potentially fatal dystonia.
This article presents two cases of adolescent males who were admitted to our inpatient psychiatric unit with a psychotic, disorganized presentation. Both males had a genetic vulnerability to mental illness and reported significant substance use. Their symptoms were refractory to treatment and required the use of clozapine. Both patients experienced significant side effects, which limited the maximum daily dose of clozapine. However, they responded to a dose that was much lower than that typically used in adults. There is significant evidence in the literature about cannabis use triggering psychotic breaks in vulnerable individuals. We speculate that substance use (including synthetic cannabinoids) triggers treatment-resistant psychosis that requires the use of clozapine. Further, lower doses of clozapine may be sufficient to treat the substance-induced psychotic symptoms than those typically used in adult schizophrenia.
Challenges encountered in the diagnosis and treatment of frontotemporal dementia (FTD) are further confounded when presented with comorbid psychiatric disorder. Here we report a case of progressive FTD in a patient with a long history of bipolar affective disorder (BAD) 1, depressed type. We also report beneficial effects of electroconvulsive therapy and its potential application in similar comorbid disorders.
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