DMT02: Symptoms of Dementia

Symptoms of Dementia

It is important that care workers are familiar with the symptoms of dementia, as an early diagnosis of the condition may decrease its severity over the longer term.

The symptoms of dementia are outlined below:

  • Decline in memory, thinking and reasoning. 
  • Changes in personality, mood and behaviour.
  • Difficulties in the ability to communicate, to recognize people and places and to engage in activities.
  • Forgetfulness – forgetting names and appointments.
  • Difficulties with once-familiar activities.
  • Impaired judgment.
  • Problems with spatial and temporal orientation.


Alzheimer’s disease is the most common cause of dementia. It is progressive and not reversible. Early recognition of the symptoms and diagnosis is important for treatment.

Some dementias are reversible, when the causes are, for example: 

  • Inadequate fluid intake leading to dehydration or acute infections.
  • Chronic conditions that have gotten out of control (Hypothyroidism; Diabetes; Psychiatric conditions; reaction to medications).

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