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Causes could include:
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When you have an allergic reaction to a substance, histamine and other chemicals are released into your bloodstream, causing itching, swelling, and other symptoms. Hives are a common reaction, especially in people with other allergies like hay fev...
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Hives are an allergic reaction. The body's immune system is normally responsible for protection from foreign invaders. When it becomes sensitized to normally harmless substances, the resulting reaction is called an allergy. An attack of hives is s...
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Hives are easily diagnosed by visual inspection. The cause of hives is usually apparent but may require a careful medical history in some cases.
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Hives is an allergic reaction. The body's immune system is normally responsible for protection from foreign invaders. When it becomes sensitized to normally harmless substances, the resulting reaction is called an allergy. An attack of hives is se...
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Hives is an allergic reaction. The body's immune system is normally responsible for protection from foreign invaders. When it becomes sensitized to normally harmless substances, the resulting reaction is called an allergy. An attack of hives is se...
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Allergic reactions are sensitivities to a specific substance, called an allergen , that is contacted through the skin, inhaled into the lungs, swallowed, or injected.
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