Hives are raised, often itchy, red welts on the surface of the skin. They are usually an allergic reaction to food or medicine.
Urticaria
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...
Read moreEach year I see hundreds of new patients with complaints of hives and swelling. Hives are intensely itchy skin rashes that resemble welts... Read more »
Did you know the largest internal organ of the body is the liver? But the overall largest organ of the body is the skin. It’s no wonder... Read more »
Source: HealthCentral Encyclopedia
The common cold (also called viral rhinitis) is a viral infection, characterized by nasal congestion, a clear, runny nose, sneezing, scratchy throat... Read more »
Source: HealthCentral Encyclopedia
Article updated and reviewed by Cyrus Badshah, MD PhD, Assistant Professor of Clinical Medicine, College of Physicians and Surgeons, Columbia... Read more »
Source: ADAM Encyclopedia
HIV infection is a condition caused by the human immunodeficiency virus (HIV). The condition gradually destroys the immune system, which makes it... Read more »
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 »
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 »