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Can an allergic reaction cause damage to the brain or lungs?

Sometimes. It depends on the severity of the reaction and the amount of oxygen that got to the brain and lungs during the reaction. There are direct allergies to the lung, such as asthma.

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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.