Check for loss of consciousness, even briefly
Ask about headache, dizziness, nausea, or vomiting
Ask about confusion, memory gaps, or trouble concentrating
Check for blurred vision, sensitivity to light, or ringing in the ears
Observe for balance problems, clumsiness, or slowed responses
Ask about feeling dazed, foggy, or unusually sleepy
Check for slurred speech or unusual behavior
Compare pupils for equal size and reaction to light
Look for worsening symptoms over time
Seek urgent medical care for severe headache, repeated vomiting, seizure, fainting, weakness, numbness, or worsening confusion
Get evaluated by a healthcare professional if a concussion is suspected