Concussion Danger Signs

In rare cases, a dangerous collection of blood (hematoma) may form on the brain after a bump, blow, or jolt to the head or body that may squeeze the brain against the skull. Call 9-1-1 right away, or take your child or teen to the emergency department if he or she has one or more of the following danger signs after a bump, blow, or jolt to the head or body:

Dangerous Signs & Symptoms of a Concussion

One pupil larger than the other.
Drowsiness or inability to wake up.
A headache that gets worse and does not go away.
Slurred speech, weakness, numbness, or decreased coordination.
Repeated vomiting or nausea, convulsions or seizures (shaking or twitching).
Unusual behavior, increased confusion, restlessness, or agitation.
Loss of consciousness (passed out/knocked out). Even a brief loss of consciousness should be taken seriously.

Dangerous Signs & Symptoms of a Concussion for Toddlers and Infants

Any of the signs and symptoms listed in the Danger Signs & Symptoms of a Concussion list.
Will not stop crying and cannot be consoled.
Will not nurse or eat.