Sudden confusion (delirium)
Multiple causes are responsible for sudden confusion (delirium). If someone suddenly experiences a disorder, avoid self-diagnose, and consult the doctor immediately.
Sings implying someone is experiencing sudden confusion
The individual;
- Struggle to think quickly and speak clearly
- Forget where they are and who they are
- Stumble to remember even small things or will not pay attention
- Experience hallucinations
Try asking the person about their details like name, age, or even data; if they answer unsurely, they probably need medical attention.
Sudden confusion causes
Many different things can cause sudden confusion. Avoid self-diagnose. Reach for medical aid if someone suddenly becomes confused or delirious.
Some of the most typical causes include:
- Urinary tract infections (UTIs) are caused widely in older adults or people with dementia
- A stroke
- Diabetes leading to low sugar level
- A head injury
- Certain types of prescription medicine
- Liquor poisoning or alcohol withdrawal
- Miscarrying drugs
- Carbon monoxide poisoning
- A severe asthma attack or other issues with the lungs or heart
- Certain types of seizures provoked by epilepsy

Things you can do while weighting for a help
If you’re with someone who has abruptly become confused, you can do these things while waiting for medical help.
Do
- Remain with the person – keep reassuring them by telling them who you are, where they and where they belong
- Interact using simple words and short sentences
- Please make a note of any medicines they’re taking
Don’t
- Do not question them frequently while they’re feeling confused
- Let the person move around; do not stop them moving around unless they’re in danger
Reviewed by – Dr. Priyanka, MBBS MD Microbiology
Page last reviewed: 04 October 2022