Influenza can be associated with a variety of neurologic and behavioral symptoms which can include events such as hallucinations, delirium, and abnormal behavior, in some cases resulting in fatal outcomes. These events may occur in the setting of encephalitis or encephalopathy but can occur without obvious severe disease. These events have been reported in patients receiving oseltamivir, primarily among pediatric patients, appear to be uncommon, and often had an abrupt onset and rapid resolution If neuropsychiatric symptoms occur, the risks and benefits of continuing treatment should be evaluated for each patient
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