Traumatic Brain Injury A to Z - Symptoms of Mild TBI/Concussion

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Symptoms of Mild TBI/Concussion

There are a variety of symptoms associated with concussion, or mild TBI, but keep in mind that not all patients will have all of the symptoms. Typically, concussion patients demonstrate some combination of the following symptoms:

  • Nausea
  • Vomiting
  • Fatigue
  • Feeling light-headed or dizzy
  • A feeling of “having your bell rung”
  • Trouble getting things organized
  • Blurred vision or eyes that get tired easily
  • Headaches or ringing in the ears
Other common symptoms of concussion, or mild TBI include:
  • Feeling sad or anxious 
  • Being easily irritated or angry
  • Feeling tired all the time
  • Having trouble with memory, attention, or concentration
  • Being bothered by sounds, lights or distractions
  • Having trouble making decisions or solving problems
  • Having trouble with self-control
  • Thinking, moving, speaking or reading slower than normal
  • Feeling easily confused or overwhelmed
  • Having changes in sleep, including much more or much less
  • Having changes in sexual interest or behavior
The chances of having ongoing problems is the same whether a patient is only dazed or actually loses consciousness for less than 30 minutes after the traumatic event. Another important fact is that after one brain injury, the risk of a second injury is three times greater and after the second injury, the risk for a third brain injury is eight times greater than average. The more brain injuries that a person suffers, the greater the chance of having long-term problems.
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