Confusion and disorientation

Difficulties with time, place, situation or identity

A confused or disoriented person may become unsure of where they are, what day it is, or what is happening around them. These symptoms may be temporary or may indicate an underlying brain condition such as dementia or delirium.

What disorientation looks like

A person may:

• be unsure why they are somewhere
• become lost in familiar places
• forget the day, date or time
• have difficulty following conversations
• misinterpret surroundings
• show sudden changes in thinking or awareness.

Sudden versus gradual onset of confusion

Onset of confusion	Indications	What to do
Sudden confusion	Dehydration Delirium Head injury Infection Seizure Stroke	Seek medical attention immediately as it is a medical emergency.
Gradual confusion	Alzheimer’s disease Frontotemporal dementia Lewy body dementia Metabolic or hormonal condition Vascular dementia	Book a medical review with your GP or a memory team, especially if it worsens over months or years.

Common patient questions

No, confusion can be caused by many reversible medical conditions such as infection or medication effects.

Yes, dehydration can significantly affect thinking and awareness, especially in older adults.