Neurology, Neuromuscular Disorders,
Sleep Medicine, and Psychology

Symptoms of Concussions

Signs and Symptoms of Concussion

Head injury resulting in a concussion are known to be associated with injury to the spine and/or neck. Considerable care should be given prior to moving anyone who has suffered a head injury.

Symptoms may not be immediately apparent, or be understated. Duration of the symptoms can vary - lasting days, weeks or longer.

Most commonly obvious are headache, loss of memory, and confusion. These symptoms may or may not follow a loss of consciousness.

Other signs and symptoms may range from severe to mile and include: 

  • Headache or head pressure
  • Disorentation
  • Temporary loss of consciousness
  • Excessive drowsiness
  • Dizziness/vertigo
  • Memory losss of events before the injury or immediately after
  • Vacant stare
  • Delayed verbal/motor response 
  • Ringing in the ears
  • Nausea or vomiting
  • Slurred/incoherent speech
  • Light sensitivity
  • Blurred/double vision
  • Emotional liability
  • Inability to focus

Symptoms that require emergency attention by a medical provider include but are not limited to:

  • Convulsions or seizures
  • Changes in speech (slurred, difficult to understand, not making sense)
  • Persistent confusion
  • Persistent unconsciousness
  • Mobility problems (unable to walk)
  • Unusual eye movement, unequal pupils
  • Double vision or blurred vision
  • Fever
  • Repeated vomiting
  • Fluid or blood leaking from the nose or ears

Other symptoms may persist or may not appear until hours later:

  • Irritability or other changes in personality
  • Disturbances with sleep
  • Concentration or memory issues
  • Sensitivity to light and noise