You do not need to be “knocked out” or to lose consciousness to have a concussion. Signs and symptoms could be immediate or they may be delayed and not show for a period of time, perhaps days or even weeks following a hit.
Physical
- Headache
- Nausea
- Dizziness
- Visual disturbances
- Light sensitivity
- Noise sensitivity
- Loss of consciousness
- Memory loss
- Vomiting
- Loss of balance/poor coordination
- Seizures or convulsions
Behavioural
- Irritability
- Personality changes
- Inappropriate emotions
- Sadness
- Anxiety
Cognitive Impairment
- Slow reaction times
- Difficulty concentrating
- Difficulty remembering
- Confusion
- Feeling in a fog
- Feeling dazed
Sleep Disturbances
- Trouble falling asleep
- Sleeping more than usual
- Sleeping less than usual
- Drowsiness