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Head, Ears, and Nose

What kind of permanent damage can a concussion cause?

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Wiki User
February 01, 2009 10:48PM

If concussions aren't treated properly (such as going to the hospital). The person with the concussion can develop what's called second impact syndrome. It's called this because if they get hit on the head again, it can cause follow-up brain bruising. Which can cause permanent damage to the brain.