Clinical signs and symptoms of concussion
| Symptoms | Headache, ‘pressure in the head’, neck pain, nausea or vomiting, dizziness, blurred vision, photophobia, phonophobia, ‘do not feel right’, fatigue, more emotional, irritability, sadness, nervous or anxious, confusion, feeling like ‘in a fog’, feeling ‘slowed down’, difficulty concentrating, difficulty remembering, drowsiness |
| Physical signs | Loss of consciousness, amnesia, neurological deficit (transient), speech disturbance, lethargy, appears dazed |
| Balance impairment | Gait unsteadiness |
| Behavioral changes | Irritability, emotional lability, personality changes |
| Cognitive impairment | Slowed reaction times, confusion, disorientation |
| Sleep/Wake disturbance | Somnolence, drowsiness |