Can Pollen Allergies Cause Hives?
Hives are raised, often itchy, red welts on the surface of the skin. They are usually an allergic reaction to food or medicine.
Alternative Names
Urticaria
Causes, incidence, and risk factors
When you have an allergic reaction to a substance, your body releases histamine and other chemicals into your bloodstream. This causes itching, swelling, and other symptoms. Hives are a common reaction, especially in people with other allergies such as hay fever.
When swelling or welts occur around...
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Hives
Source: ADAM Encyclopedia
UrticariaSymptomsItchingSwelling of the surface of the skin into red- or skin-colored welts (called wheals) with clearly defined edgesThe hives may... Read more »
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Allergies
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Allergies
Source: HealthCentral Encyclopedia
Allergies are abnormal reactions to ordinarily harmless substances. The sensitizing substances, called allergens, may be inhaled, swallowed, or come... Read more »
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