how do you know you have a concussion
Signs and symptoms of a concussion may include: 1  Headache or a feeling of pressure in the head. 2  Temporary loss of consciousness. 3  Confusion or feeling as if in a fog.4  Amnesia surrounding the traumatic event.5  Dizziness or seeing stars.6  Ringing in the ears. 7  Nausea.f your child doesn't have signs of a serious head injury, and if your child remains alert, moves normally and responds to you, the injury is probably mild and usually doesn't need further testing. In this case, if your child wants to nap, it's OK to let him or her sleep.