Table 3.

Signs and symptoms of concussion

SOURCESIGNS AND SYMPTOMS
Included in the last consensus statement on concussion32
• Physical domainHeadache
Neck pain
“Pressure in head”
Nausea and vomiting
Dizziness
Blurred vision
Balance disturbances
Sensitivity to light
Sensitivity to noise
• Cognitive domainFeeling slowed down
Feeling “in a fog”
“Don’t feel right”
Difficulty concentrating
Difficulty remembering
Fatigue or low energy
Confusion
• Emotional domainFeeling more emotional
Irritability
Sadness
Nervousness or anxiety
• Sleep domainDrowsiness
Trouble falling asleep
Other signs and symptoms included by other organizations, statements, or tools1,32,33Loss of consciousness
Seizure or convulsion
Amnesia
Feeling “dazed or stunned”
Visual problems
Answering questions slowly
Repeating questions
Sleeping more than usual
Sleeping less than usual