Signs & Symptoms of a Brain Injury
Traumatic brain injury can have wide-ranging physical and psychological effects. Some signs or symptoms may appear immediately after the traumatic event, while others may appear days or weeks later.
Mild traumatic brain injury
The signs and symptoms of mild traumatic brain injury (concussion) may include:
Loss of consciousness for a few seconds to a few minutes
No loss of consciousness, but a state of being dazed, confused or disoriented
Memory or concentration problems
Headache
Dizziness or loss of balance
Nausea or vomiting
Sensory problems, such as blurred vision, ringing in the ears or a bad taste in the mouth
Sensitivity to light or sound
Mood changes or mood swings
Feeling depressed or anxious
Fatigue or drowsiness
Difficulty sleeping
Sleeping more than usual
Moderate to severe traumatic brain injuries
Moderate to severe traumatic brain injury can include any of the signs and symptoms of mild injury, as well as the following symptoms that may appear within the first hours to days after a head injury:
Loss of consciousness from a few minutes to hours
Profound onfusion
Agitation, combativeness or other unusual behavior
Slurred speech
Inability to awaken from sleep
Weakness or numbness in the extremities
Loss of coordination
Loss of bladder control or bowel control
Persistent headache or headache that worsens
Repeated vomiting or nausea
Convulsions or seizures
Dilation of one or both pupils of the eyes
Clear fluids draining from the nose or ears
If you think that you have any of these symptoms and have been in an accident please seek medical treatment with your doctor.