Confusion is a mental symptom where a person is confused or disoriented. Causes of acute confusion may include alcohol intoxication, hypoglycemia (e.g. diabetic hypo), stroke or mini-stroke, head injury (concussion), and acute poisoning. Other causes include dementia disorders, memory disorders, and various other causes. ...

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Sudden confusion (delirium) Being in a state of confusion means not being able to think clearly or quickly, feeling disorientated, and struggling to pay attention, make decisions or remember things. A simple test for confusion is to ask the person their name, age and today's date, and see if they ...1

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Causes of confusion range from simple causes (e.g. alcohol intoxication) to very serious brain disorders that cause dementia and progressive decline. Brain Disorders: Causes of confusion due to brain dysfunction include:

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Causes of Confusion

Forgetfulness, confusion, or having trouble remembering a name or word can be a normal part of life. But when thinking problems or unusual behavior starts to interfere with everyday activities—such as working, preparing meals, or handling finances—it’s ...2

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Differential Diagnosis of Confusion

Alcoholism: Drinking too much alcohol over a long time can:

  • Cause some older people to be forgetful and confused—these symptoms could be mistaken for signs of Alzheimer's disease.

Source: NIA (NIH)3 ...

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Causes List for Confusion

Possible causes of Confusion (or similar symptoms) may include:4

... Causes List for Confusion »

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  1. Source: NHS Choices UK: conditions/ confusion/ 
  2. Source: NIH News in Health (NIH): issue/ jan2014/ feature1
  3. Source: NIA (NIH): health/ facts-about-aging-and-alcohol
  4. Source: Algorithmically Generated List

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Note: This site is for informational purposes only and is not medical advice. See your doctor or other qualified medical professional for all your medical needs.