11/03/2026
Today is World Delirium Awareness Day
This year’s theme is “Voices of Delirium.”
Delirium is something many people haven’t heard of, but it happens more often than we realise - especially to older adults in hospitals or care homes. It is a sudden change in a person’s thinking and awareness, which can make them feel confused, restless, or unusually quiet. Someone who was fine yesterday may suddenly seem disoriented, struggle to focus, or not recognise where they are.
For families, this can be worrying. It can look like dementia has suddenly become worse, but delirium is different because it comes on quickly - sometimes within a few hours or days.
A few important things to know about delirium:
🔹 It develops quickly. Unlike dementia, which progresses slowly over time, delirium appears suddenly and the symptoms can change during the day. A person might seem alert one moment and very confused the next.
🔹 It often has a trigger. Delirium can happen when the brain reacts to something like an infection, dehydration, surgery, pain, or certain medications. Older adults are particularly vulnerable.
🔹 It can sometimes be prevented. Small things can make a difference — making sure someone drinks enough fluids, gets good sleep, keeps a routine, and has access to glasses or hearing aids so they can stay connected to their surroundings.
🔹 It is often under-recognised. In hospitals and care homes, delirium is sometimes mistaken for dementia or simply seen as “old age confusion.” Because of this, many people don’t get the support they need as quickly as they should.
The good news is that delirium is often treatable, especially when it is recognised early and the cause is addressed. That’s why awareness is important.
On World Delirium Awareness Day, let’s listen to the - the patients, families, carers, and healthcare professionals who see the impact of this condition every day. By talking about it and recognising the signs, we can help ensure people receive the care and understanding they deserve. 💙
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