Symptom Search

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Unable to concentrate
Personality change

3 possible causes of "Unable to concentrate, Depres..."
  • Aphasia
  • Depression
  • Unable to concentrate
  • Personality change
  • Urinary incontinence
  • Sleeplessness
1. Dementia Overview
Dementia is a loss of brain function caused by certain diseases. Alzheimer's, Lewy Body & vascular dementia - symptoms of short term memory loss & cognitive impairment
  • Depression
  • Unable to think clearly
  • Unable to concentrate
  • Personality change
  • Incoherent speech
  • Aimless movement
2. Delirium
Delirium is an abrupt change in the brain that causes mental confusion and emotional disruption. It makes it difficult to think, remember, sleep, pay attention, and more. You might experience the condition durin...
This condition is considered a medical emergency. Urgent care may be required.
  • Volatile mood
  • Depression
  • Unable to concentrate
  • Personality change
  • Frontal headache
  • Temporal headache
3. Post Concussion Syndrome
Post-concussion syndrome, or post-concussive syndrome (PCS), refers to the lingering symptoms following a concussion or a mild traumatic brain injury (TBI).

This feature is for informational purposes only and should not be used to diagnose.
Please consult a healthcare professional if you have health concerns.
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