Home > Medical Articles > Topics beginning with C > Closed Head Injury - Concussion > Symptoms & Signs
Medical References
Diseases & Conditions
Women's Health
Mental Health
Men's Health
Medical Web Links
MOL Site Map
Attention, chocolate lovers: You may not be able to help yourselves. Swiss and British scientists have linked the widespread love of chocolate to a chemical "signature" that may be programmed into our metabolic systems.
Read more health news
Closed Head Injury - Concussion
- Overview, Causes, & Risk Factors
- Symptoms & Signs
- Diagnosis & Tests
- Prevention & Expectations
- Treatment & Monitoring
- Attribution
- View All
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: