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Health Tip: Identify Symptoms of a Concussion

Last Updated: August 28, 2017.

(HealthDay News) -- A concussion is a brain injury resulting from an abrupt hit to the head. It causes the head and brain to move back and forth quickly, resulting in a chemical change in the brain.

It may be difficult to determine if someone has suffered a concussion. The U.S. National Library of Medicine says key symptoms of concussion include:

  • Convulsions or seizures
  • Drowsiness or inability to wake up
  • A headache that gets worse and does not go away
  • Weakness, numbness or decreased coordination
  • Repeated vomiting or nausea
  • Confusion
  • Slurred speech
  • Loss of consciousness


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