Signs and symptoms of concussion
| Signs | Symptoms | |
| Physical | Vomiting | Headache |
| Balance problems | Nausea | |
| Sensitivity to light | Dizziness | |
| Sensitivity to noise | Visual problems | |
| Dazed | Fatigue | |
| Stunned | Numbness/tingling | |
| Cognitive | Forgetful of recent information and conversations | Difficulty concentrating |
| Confused about recent events | Difficulty remembering | |
| Answers questions slowly | Feeling mentally ‘foggy’ | |
| Repeats questions | Feeling slowed down | |
| Sleep related | Sleeping more than usual | Difficulty falling asleep |
| Sleeping less than usual | Drowsiness | |
| Emotional | – | Irritable |
| Sadness | ||
| More emotional | ||
| Nervousness |
Adapted from Harmon et al.3