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How can you identify different skin allergy reactions with pictures?

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Quick Answer

To identify allergic reactions of the skin using photos, compare the appearance of your skin to photos of allergic reactions such as the ones available on Healthine.com and eMedicineHealth.com. Rashes, contact dermatitis, hives and hay fever are all common.

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Full Answer

Uticaria, or hives, is a common skin condition caused by an allergic reaction. This condition appears as itchy, raised bumps on the skin that are sometimes painful to the touch. Hives may be caused by exposure to allergens like pollen, insect bites, medications and pet dander, notes Healthline. Photos of hives are available on Healthline and eMedicineHealth.

Hay fever, an allergic reaction to airborne particles such as pollen, may cause a skin reaction that appears as itchy, red patches, according to Healthline. Contact dermatitis, which Healthline shows on its site, is a common allergic reaction that is typically caused when the skin comes into direct contact with an allergen, and it may cause bumps or swelling, or it may appear to be a burn. Triggers for contact dermatitis include perfumed lotions and cosmetics, latex, jewelry, and harsher substances, such as bleach, detergent and pepper spray. This reaction manifests as patches of red, scaly itchy skin, notes the American Academy of Allergy, Asthma and Immunology.

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