What is a concussion?
A concussion is a type of mild traumatic brain injury. It happens when the head or body is violently shaken, or hits something. The most common symptoms of are confusion and finding it hard to remember. Other symptoms include headache, dizziness and nausea.
You should see your GP if you think you have a concussion. Most people who have a concussion will get better on their own in two weeks. If your symptoms last longer than two weeks, or if you get new symptoms, you should see your GP.