You can’t see a concussion, but you might notice some of the symptoms right away. Other symptoms can show up hours or days after the injury.
Concussion symptoms include:
Loss of consciousness
Balance problems or dizziness
Double or fuzzy vision
Sensitivity to light or noise
Nausea (feeling that you might vomit)
Feeling sluggish, foggy or groggy
Feeling unusually irritable
Concentration or memory problems (forgetting game plays, facts, meeting times)
Slowed reaction time
Exercise or activities that involve a lot of concentration, such as studying, working on the computer, or playing video games may cause concussion symptoms (such as headache or tiredness) to reappear or get worse.
Don’t hide it. Tell your athletic trainer, coach, and parents. Never ignore a blow to the head. Also, tell your athletic trainer and coach if one of your teammates might have a concussion. Sports have injury timeouts and player substitutions so that you can get checked out.
Report it. Do not return to participation in a game, practice or other activity with symptoms. The sooner you get checked out, the sooner you may be able to return to play.
Get checked out. Your physician, athletic trainer, or health care professional can tell you if you have had a concussion and when you are cleared to return to play. A concussion can affect your ability to perform everyday activities, your reaction time, balance, sleep, and classroom performance.
Take time to recover. If you have had a concussion, your brain needs time to heal. While your brain is still healing, you are much more likely to have a repeat concussion. In rare cases, repeat concussions can cause permanent brain damage, and even death. Severe brain injury can change your whole life.