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Alzheimer's Disease: Prognosis and Complications

Overview of complications from Alzheimer's disease plus prognosis for the Alzheimer's patient.

Other Considerations

Alzheimer's Prognosis and Complications

A person with Alzheimer's disease can experience the following complications:

  • Falls (from impaired coordination)
  • "Sundowning" (withdrawal or agitation in the evening)
  • Malnutrition and dehydration
  • Infection (from urinary tract infections or pneumonia)
  • Asphyxiation (stopped breathing)
  • Harmful or violent behavior toward self or others
  • Suicide
  • Poor health and support due to caregiver burnout
  • Physical and emotional abuse, including neglect
  • Coronary disease

There is no known cure for Alzheimer's disease; the disease naturally progresses and worsens over time. People with the disease can survive for many years, however. While most people with Alzheimer's die within 8 to 10 years, some live as long as 25 years. Some people decline steadily during their disease, while others reach major plateaus where their symptoms advance quite slowly. Men and people with a long-standing history of high blood pressure are more likely to decline rapidly. Additionally, the older a person with Alzheimer's disease becomes, the more likely he or she is to decline rapidly. An accurate, early diagnosis gives affected individuals a greater chance of benefiting from existing treatments.


 

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Last Updated: 25 February 2016
Reviewed by Harry Croft, MD

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