What Is Postconcussional Syndrome?

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Postconcussional syndrome is a collection of symptoms that some people develop after they have had concussion. Concussion is a brain injury that may occur after a blow to your head. Post-concussion syndrome is a complication of concussion. It is sometimes called post-concussive syndrome. The symptoms of post-concussion syndrome can include: Physical symptoms:
  • Dizziness. This may be accompanied by dizziness with a spinning sensation (vertigo).
  • Double, or blurred, vision.
  • Headache. This is the most common symptom.
  • Hearing loss and/or a ringing noise in the ears (tinnitus).
  • Reduced sense of smell and taste.
  • Problems tolerating bright light and loud noise.
Emotional and behavioural symptoms:
  • Changes in your appetite.
  • Depression.
  • Feeling anxious easily.
  • Having sudden outbursts of emotion - for example, sudden crying or laughing episodes.
  • Personality changes such as showing socially or sexually inappropriate behaviour.
Problems with mental processes (called cognitive symptoms):
  • Concentration and attention problems.
  • Difficulty learning new things.
  • Difficulty remembering things.
  • Problems processing information and problems reasoning.
Not everyone with post-concussion syndrome will have all of the symptoms mentioned above. In general, for most people, symptoms of post-concussion syndrome only last for up to a few weeks. But for some people, the symptoms last longer and can last for three to six months or (rarely) a year or more. Keyword: postconcussional syndrome