The delirium - A state of acute mental confusion, commonly brought on by physical illness. Symptoms vary according to personality, environment, and the severity of illness.

They may include failure to understand events or remember what has been happening, physical restlessness, mood swings, hallucinations, and panic. Fever and disturbances of body chemistry are often contributory factors.

Children and older people are most susceptible to delirium, particularly as a result of infection, following surgery, or when there is a pre-existing brain disturbance (such as dementia in an elderly person). Drugs, poisons, and alcohol are common precipitants.


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