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April Health & Wellness News

Stages of Alzheimer's

Published Friday, March 29, 2019 12:00 pm
by Alzheimer's Association

 

Alzheimer's disease typically progresses slowly in three general stages — mild (early stage), moderate (middle stage), and severe (late stage). Since Alzheimer's affects people in different ways, the timing and severity of dementia symptoms varies as each person progresses through the stages of Alzheimer's differently.

The symptoms of Alzheimer's disease worsen over time, although the rate at which the disease progresses varies. On average, a person with Alzheimer's lives four to eight years after diagnosis, but can live as long as 20 years, depending on other factors.

Changes in the brain related to Alzheimer's begin years before any signs of the disease. This time period, which can last for years, is referred to as preclinical Alzheimer's disease.

The stages below provide an overall idea of how abilities change once symptoms appear and should only be used as a general guide. (Dementia is a general term to describe the symptoms of mental decline that accompany Alzheimer’s and other brain diseases.)

The stages are separated into three categories: mild Alzheimer's disease, moderate Alzheimer's disease and severe Alzheimer's disease. Be aware that it may be difficult to place a person with Alzheimer's in a specific stage as stages may overlap.

Mild Alzheimer's disease (early stage)

In the early stage of Alzheimer's, a person may function independently. He or she may still drive, work and be part of social activities. Despite this, the person may feel as if he or she is having memory lapses, such as forgetting familiar words or the location of everyday objects.

Friends, family or others close to the individual begin to notice difficulties. During a detailed medical interview, doctors may be able to detect problems in memory or concentration. Common difficulties include:

  • Problems coming up with the right word or name
  • Trouble remembering names when introduced to new people
  • Challenges performing tasks in social or work settings.
  • Forgetting material that one has just read
  • Losing or misplacing a valuable object
  • Increasing trouble with planning or organizing

Moderate Alzheimer's disease (middle stage)

Moderate Alzheimer's is typically the longest stage and can last for many years. As the disease progresses, the person with Alzheimer's will require a greater level of care. During the moderate stage of Alzheimer’s, the dementia symptoms are more pronounced. A person may have greater difficulty performing tasks, such as paying bills, but they may still remember significant details about their life. You may notice the person with Alzheimer's confusing words, getting frustrated or angry, or acting in unexpected ways, such as refusing to bathe. Damage to nerve cells in the brain can make it difficult to express thoughts and perform routine tasks.

At this point, symptoms will be noticeable to others and may include:

  • Forgetfulness of events or about one's own personal history

  • Feeling moody or withdrawn, especially in socially or mentally challenging situations

  • Being unable to recall their own address or telephone number or the high school or college from which they graduated

  • Confusion about where they are or what day it is

  • The need for help choosing proper clothing for the season or the occasion

  • Trouble controlling bladder and bowels in some individuals

  • Changes in sleep patterns, such as sleeping during the day and becoming restless at night

  • An increased risk of wandering and becoming lost

  • Personality and behavioral changes, including suspiciousness and delusions or compulsive, repetitive behavior like hand-wringing or tissue shredding
     

Learn more: 10 Signs of Alzheimer's DiseaseDiagnosisDiagnosed with Alzheimer'sTypes of Dementia,
Daily CareBehaviors

Severe Alzheimer's disease (late stage)

In the final stage of this disease, dementia symptoms are severe. Individuals lose the ability to respond to their environment, to carry on a conversation and, eventually, to control movement. They may still say words or phrases, but communicating pain becomes difficult. As memory and cognitive skills continue to worsen, significant personality changes may take place and individuals need extensive help with daily activities.

At this stage, individuals may:

  • Need round-the-clock assistance with daily activities and personal care

  • Lose awareness of recent experiences as well as of their surroundings

  • Experience changes in physical abilities, including the ability to walk, sit and, eventually, swallow

  • Have increasing difficulty communicating

  • Become vulnerable to infections, especially pneumonia


Learn more: Late-Stage Care

 

Past Health & Wellness Newsletters:
January 2019
October 2018

July 2018

April 2018
January 2018
October 2017

July 2017
April 2017
January 2017 

The E-Wellness Newsletter is funded (in part) with a grant from BJH Foundation

 

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