Possible causes of Dementia

15 conditions can cause this symptom. Most common are listed first.

• Alcoholism Common
• Alzheimer's disease Common
• Brain tumor (cancer) Common Urgent Pediatric
• Cirrhosis (liver failure and scarring) Common Urgent
• Dementia (impaired cognitive function) Common
• Encephalitis (brain infection) Common Urgent Pediatric
• Head injury Common Urgent Pediatric
• Hydrocephalus (fluid on the brain) Common Urgent Pediatric
• Lewy body dementia Common
• Medication reaction Common Urgent Pediatric
• Medication reaction Common Urgent Pediatric
• Parkinson's disease Common
• HIV AIDS (Human Immunodeficiency Virus, Acquired Immune Deficiency Syndrome) Urgent
• Hypothyroidism (low thyroid hormone)
• Syphilis (treponema pallidum) Urgent