Delirium (acute confusion)
NHS Choices information on acute (sudden) confusion, with links to other useful resources.
If the confusion has come on suddenly, take them to your nearest hospitalor call 999 for an ambulance, especially if they're showing other signs of illness such asa fever, or their skin or lips are tu
The most common causes of sudden confusion are: a lack of oxygen in the blood (hypoxia) the cause could be anything from a severe asthma attack to aproblem with the lungs or heart an infection a
Less common causes of sudden confusion are: an infection of the brain or its lining (encephalitis or meningitis) an imbalance of salts and minerals in the blood a severely underactive thyroid g