article_snippet.sent: WHEN BEHAVIOUR CHANGES .
article_snippet.sent: Anger and aggression .
article_snippet.sent: It can be confusing when someone who was once so patient and tolerant becomes prone to temper tantrums.
article_snippet.sent: Pain is a common cause of anger in those with dementia, as are urinary or chest infections, a stroke, or even something as simple as not having had enough sleep.
highlights_snippet.sent: For example, repetitive movements can mean them are anxious or scared, while withdrawing may mean them feel overwhelmed.
  