A Study of an Uncommonly Common Syndrome People often use the word delirious in everyday conversation. The word itself has various connotations, but what do we know about this illness called delirium? Delirium is a case of acute brain failure, where the mind lies in the midst of usual state of wakefulness and a stupor or a coma. Delirium is also known by many as the acute confusion state as it results in alteration of cognition and consciousness, leading to reduced ability to focus, sustain or shift attention (Echeverría and Paul, 2019). There are many among us who do not give delirium the importance it deserves and the severity that it must be treated with. Delirium is potentially preventable and treatable, but under-recognition of the syndrome and the lack of understanding of the underlying pathophysiology has hindered the successful development of therapies. There is no primary cause for delirium and different patien...