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Sudden confusion (delirium) can have many different causes. Get medical help immediately if someone suddenly becomes confused (delirious).
If a person is confused, they may:
Try asking the person their name, their age and today's date. If they seem unsure or cannot answer you, they probably need medical help.
It may not be anything serious, but it's best to get checked.
In older people, forgetfulness and confusion are sometimes signs of dementia.
Many causes of sudden confusion need to be assessed and treated as soon as possible. Sometimes it may be life threatening.
If you're with someone who has suddenly become confused, there are things you can do while waiting for medical help.
stay with the person – tell them who you are and where they are, and keep reassuring them
use simple words and short sentences
make a note of any medicines they're taking, if possible
do not ask lots of questions while they're feeling confused
do not stop the person moving around, unless they're in danger
Sudden confusion can be caused by many different things. Do not try to self-diagnose. Get medical help if someone suddenly becomes confused or delirious.
Some of the most common causes of sudden confusion include:
