Signs & Symptoms

Sports Concussion
Signs and Symptoms

Concussion symptoms differ for each person and with each injury. Symptoms may not be noticeable right away but may develop in the hours or days following the event. If you've suffered a blow to your head, neck or body, and simply don't feel "normal" or like your usual self, we recommend contacting your primary health care provider right away to discuss the possibility of a concussion. Your provider may refer you to a specialist in evaluating and treating concussion.

Common concussion symptoms include the following:

  • Headache
  • Confusion
  • Difficulty remembering or paying attention
  • Balance problems or dizziness
  • Feeling sluggish, hazy, foggy or groggy
  • Feeling irritable, unusually emotional or low in spirits
  • Nausea or vomiting
  • Sensitivity to light or noise
  • Double or blurry vision
  • Slowed reaction time
  • Sleep problems (sleeping more or less than usual or having trouble falling asleep)
  • Loss of consciousness

Sometimes symptoms return or worsen when people do things that require concentration, such as working, studying or playing video games, or during physically demanding activities, such as playing sports, exercising or even housecleaning.

UCSF Health medical specialists have reviewed this information. It is for educational purposes only and is not intended to replace the advice of your doctor or other health care provider. We encourage you to discuss any questions or concerns you may have with your provider.

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