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Closed Head Injury - Concussion
- Overview, Causes, & Risk Factors
- Symptoms & Signs
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Symptoms & Signs
What are the signs and symptoms of the injury?
The American Academy of Neurology has recently established guidelines for sorting concussions into Grades 1, 2, and 3. Each grade has different symptoms, and treatment recommendations vary according to the grade.
A person with a Grade 1 concussion does not lose consciousness. Symptoms of a Grade 1 concussion go away in less than 15 minutes, and may include:
A person with a Grade 2 concussion does not lose consciousness, and has symptoms similar to those of a Grade 1 concussion. However, the symptoms last more than 15 minutes.
A person with a Grade 3 concussion does lose consciousness for a few seconds to many hours. When the person awakens, he or she may have many of the symptoms of a Grade 1 concussion, as well as: