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What are the symptoms of a concussion?

Dr. Jeanne Morrison, PhD
Family Practitioner

The symptoms of a concussion may not appear immediately following the head injury, but in other cases, they do. Some people may lose consciousness when they suffer a concussion, but a majority of people do not. More commonly, people with concussions suffer general confusion, headaches, nausea, dizziness and a ringing in the ears.

Signs of a concussion include:

  • Confusion, which may last from moments to several minutes
  • Headache
  • Repeated questioning about what happened
  • Temporary memory loss, especially for periods immediately before and after the injury
  • Brief loss of consciousness
  • Nausea and vomiting
  • Speech problems (person is unable to answer questions or obey simple commands)
  • Blurred vision or light sensitivity

Symptoms of a concussion include headache, nausea, dizziness, sensitivity to light, confusion, different-sized pupils, blurred vision, ringing in the ears, slurred speech, slight pressure in the head, memory loss, seeing “stars,” fatigue, confusion, difficulty concentrating and feelings of sadness.

This answer provided for NATA by the Southern Connecticut State University Athletic Training Education Program.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.