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Can a concussion cause allergy-like symptoms?

It is unlikely that a concussion can cause allergy-like symptoms. Global headaches and vomiting can follow a concussion.

No, a concussion will not cause allergy-like symptoms. Allergies cause itchy eyes and nose, congestion, watering, and red eyes, cough, wheezing, trouble breathing, and sometimes rashes and hives. Concussions do not cause these symptoms.

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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.