Aphasia and confusion - influenza encephalopathy: atypical presentation of influenza.

Reiichiro Obata, Kristina Ernst

BMJ case reports 2020 Oct 10

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Influenza encephalopathy, a rare manifestation of influenza infection in the adult population which is not widely recognised, can present with confusion and focal neurological symptoms, including aphasia. The aim of this report is to illustrate the unique presentation of influenza encephalopathy and discuss the need for close attention to and monitoring of this rare but highly fatal disease.A 28-year-old woman was admitted with acute-onset confusion and incoherent speech. CT of the head was unremarkable. Cerebrospinal fluid analysis showed elevation of protein, but was otherwise unremarkable. A detailed history revealed recent upper respiratory symptoms which prompted a rapid influenza test which was positive and oseltamivir was started. The patient's confusion and aphasia gradually improved and her speech was back to her baseline by the next day. © BMJ Publishing Group Limited 2020. No commercial re-use. See rights and permissions. Published by BMJ.

Citation

Reiichiro Obata, Kristina Ernst. Aphasia and confusion - influenza encephalopathy: atypical presentation of influenza. BMJ case reports. 2020 Oct 10;13(10)