What Causes Hives That Itch?
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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From Our Sources
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 »
Hives
Source: ADAM Encyclopedia
UrticariaTreatmentTreatment may not be needed if the hives are mild. They may disappear on their own. To reduce itching and swelling:Avoid hot baths... Read more »
Avoiding and Treating Poison Ivy, Oak and Sumac Allergic React...
The beginning of summer kicks off the camping and hiking season, anxiously awaited by those who have endured a long cold winter. This year will... Read more »
Hives (Urticaria)
Source: Harvard Decision Guide
When To Call A Professional Call your doctor immediately if hives appear after you have started taking a new medication or after you have been stung... Read more »
Itching
Source: ADAM Encyclopedia
Itching is a tingling or irritation of the skin that makes you want to scratch the affected area.Alternative NamesPruritusConsiderationsItching may... Read more »
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