Skin Welts
Urticaria
Symptoms
Itching - Swelling of the surface of the skin into red- or skin-colored welts (called wheals) with clearly defined edges
The hives may get bigger, spread, and join together to form larger areas of flat, raised skin.
They can also change shape, disappear, and reappear within minutes or hours. A true hive comes and goes. When you press the center of one, it turns white. This is called blanching.
Signs and tests
Your doctor can tell if you have hives by looking at your...
Read moreMore information on "Skin Welts"
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From Our Sources
Hives
Source: ADAM Encyclopedia
UrticariaPreventionAvoid exposure to substances that give you allergic reactions. Don't wear tight-fitting clothing and avoid hot baths or showers... 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 »
PPD skin test
Source: ADAM Encyclopedia
The PPD skin test is a method used to diagnose tuberculosis (TB). PPD stands for purified protein derivative.Alternative NamesPurified protein... Read more »
Hives
Source: ADAM Encyclopedia
Hives are raised, often itchy, red welts on the surface of the skin. They are usually an allergic reaction to food or medicine.Alternative... Read more »
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