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Allergic Reaction Topic Guide
Allergic Reaction: An allergic reaction is an overreaction to a harmless substance. Symptoms and signs of an allergic reaction include hives, rashes, swelling, itching, wheezing, nausea, and even anaphylactic shock in severe reactions. Treatment involves avoiding triggers, taking oral antihistamines, applying anti-inflammatory steroid creams, and using an EpiPen.
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Indoor Allergens Common indoor allergens include pet dander, molds, plant pollens and other substances. These last year-round and aggravate the immune systems of people with hay fever, asthma, and other allergies. Antihistamines can relieve symptoms like runny nose, sneezing, and headaches. Remove carpet, clean upholstered furniture, and clean regularly to help remove allergens from the home.
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