What Is Eye Puffiness from Allergies?
Eye puffiness from allergies is swelling of the eyelids and surrounding tissues caused by an overactive immune response to allergens. The swelling happens when histamine and other chemicals make blood vessels leak fluid into the eyelid tissues. Common triggers include pollen, dust mites, pet dander, and certain cosmetics. Symptoms can include itching, tearing, and redness. These reactions can appear suddenly or during periods of high allergen exposure.
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