A concussion is a type of traumatic brain injury—or TBI—caused by a bump, blow, or jolt to the head or by a hit to the body that causes the head and brain to move rapidly back and forth. This sudden movement can cause the brain to bounce around or twist in the skull, creating chemical changes in the brain and sometimes stretching and damaging brain cells.
Signs and Symptoms of a Concussion
Children and teens who show or report one or more of the signs and symptoms listed below, or simply say they just “don't feel right” after a bump, blow, or jolt to the head or body, may have a concussion or more serious brain injury.
Concussion Signs Observed
Can't recall events prior to or after a hit or fall
Appears dazed or stunned
Forgets an instruction, is confused about an assignment or position, or is unsure of the game, score, or opponent
Answers questions slowly
Loses consciousness (even briefly)
Shows mood, behavior, or personality changes
Concussion Symptoms Reported
Headache or "pressure" in head
Nausea or vomiting
Balance problems or dizziness, or double or blurry vision