Concussion does not always involve losing consciousness; you must take any of these symptoms very seriously. For more details, see the Pocket Concussion Recognition Tool.
The signs and symptoms of concussion usually start at the time of injury, but it’s not uncommon for symptoms to be delayed for up to 48 hours.
Hitting your head a second time when you have concussion can be extremely serious.
Knowing what to do if you think someone might have a concussion can prevent serious injury and may even save a life.
If you have hit your head or you think someone else might have suffered a concussion:
If someone has been knocked out or seems to be getting worse, someone must phone an ambulance to get them help quickly.
See the Pocket Concussion Recognition Tool for more guidance.
Remember that your health and your life are more important than any sport or game: