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Objective: The objective of this study was to describe the demographic features, clinical presentation, and management and outcome of fifty cases of nonalcoholic Wernicke's encephalopathy from a tertiary care hospital of a region with reported incidence of thiamine deficiency disorders. Materials and Methods: In a retrospective study, fifty adult cases of Wernicke's encephalopathy were analyzed. The diagnosis of Wernicke's encephalopathy was made according to the European federation of neurological societies guidelines 2010. Response to thiamine replacement and associated brain magnetic resonance imaging (MRI) findings were also considered as supportive evidence. Results: The mean age of patients was 50.38 years with 20 males and 30 females. The most common clinical manifestations were alteration in sensorium in 30 (60%), ataxia in 18 (36%), memory impairment in 15 (30%), nystagmus in 35 (70%), ophthalmoparesis in 11 (22%), and seizures in 4 (8%). A total of 42 patients had a history of recurrent vomiting. All patients had polished rice as their staple diet. Thirty-five patients had associated polyneuropathy and 15 had a gastrointestinal disorder. Twenty patients underwent MRI which showed both typical and atypical lesions. Majority of patients showed partial or complete response to intravenous thiamine. On discharge, the most common residual symptoms were lower limb weakness, ataxia, and memory impairment. Conclusion: The study shows high incidence of nonalcoholic Wernicke's encephalopathy in the region with predominant causative factor being a thiamine deficient diet. Recurrent vomiting can be a prominent early symptom of thiamine deficiency and its recognition can help in the early diagnosis of Wernicke's encephalopathy and related thiamine deficiency disorders. Thiamine fortification of food should be done in areas with reported incidence of thiamine deficiency disorders. [ABSTRACT FROM AUTHOR]

A 45-year-old female without any past or family history of psychiatric illness presented to the emergency department with complaints of abnormal behavior, irrelevant talking, restlessness, episodic crying, and decreased sleep of 2-day duration. On detailed interview, the attendants gave a history of an intermittent headache of 6-month duration and hearing impairment of 4-month duration. On investigation, her cerebrospinal fluid was reactive, and brucella titers were positive. She received appropriate treatment for 6 months and a short course of antipsychotics. Her symptoms settled, but she had persistent hearing loss. Psychosis as well as hearing loss is a very rare presentation of brucellosis. The case highlights the importance of considering neurobrucellosis as a differential diagnosis in patients with any unexplained neuropsychiatric symptoms such as acute psychosis or hearing loss. [ABSTRACT FROM AUTHOR]