atopy: Quick Facts

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Facts

Also Known As	anaphylactic hypersensitivity • type I hypersensitivity • atopic hypersensitivity

Photos

This medical illustration explains a systemic anaphylactic response to bee venom in someone with type I hypersensitivity. It shows a bee sting injecting venom into the skin, which then enters the bloodstream and spreads throughout the body. The diagram highlights how the immune system reacts, including mast cell activation and the release of substances that cause symptoms such as swelling, low blood pressure, breathing difficulty, digestive issues, and skin reactions. The human figure is annotat

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Topics

asthma anaphylaxis hives hay fever atopic dermatitis allergy desensitization allergy food allergy What causes allergies?autoimmune disease angioedema farmer’s lung drug allergy

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