Symptoms of Mild and Moderate TBI

Symptoms of mild TBI include:

  • Headache
  • confusion
  • light headedness
  • dizziness
  • blurred vision or tired eyes
  • ringing in the ears
  • bad taste in the mouth
  • fatigue or lethargy
  • a change in sleep patterns
  • behavioral or mood changes
  • trouble with memory, concentration and attention, or  thinking

A person with a mild TBI may experience loss of consciousness for a few seconds or minutes.  A person with a moderate TBI may show all of these symptoms, but also

  • have a headache that gets worse and does not go away
  • repeated vomiting or nausea
  • convulsions or seizures
  • an inability to awaken from sleep
  • dilation of one or both pupils of the eyes
  • slurred speech
  • weakness or numbness in the extremities
  • loss of coordination, and/or
  • increased confusion, restlessness, or agitation.

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