What is the main reason for urticaria?
What causes urticaria? Urticaria occurs when a trigger causes high levels of histamine and other chemical messengers to be released in the skin. These substances cause the blood vessels in the affected area of skin to open up (often resulting in redness or pinkness) and become leaky.
What urticaria means?
Hives, also known as urticaria, are reddened, itchy welts that may be triggered by exposure to certain foods, medications or other substances. Hives (urticaria) are red, itchy welts that result from a skin reaction.
Which organ is responsible for urticaria?
In the skin, histamine, which is responsible for itching and hives, occurs practically only in mast cells. Wheals arise due to the fact that the skin vessels in the affected skin area begin to leak.
What is another name for urticaria?
Urticaria: Another name for hives. Raised, itchy areas of skin that are usually a sign of an allergic reaction.
What is urticaria allergy?
What are hives (urticaria)? Hives are raised red bumps (welts) or splotches on the skin. They are a type of swelling on the surface of your skin. They happen when your body has an allergic reaction to an allergen, a substance that’s harmless to most people.
What does urticaria mean in Latin?
urtica
Urticaria, the medical term for hives, points the finger at nettles, at least etymologically: it comes from the Latin word urtica, meaning “nettle.” Urtica itself is related to the Latin verb urere, meaning “to burn,” a nod to the stinging hairs many species of nettle possess.
What medications can help urticaria?
Antihistamines decrease mild symptoms such as itching or a rash.
What are the basics of urticaria?
Overview. Cold urticaria (ur-tih-KAR-e-uh) is a skin reaction to cold that appears within minutes after cold exposure.
Which disease may cause urticaria?
Autoimmunity is thought to be one of the most frequent causes of chronic urticaria. Various autoimmune or endocrine diseases have been associated with urticaria, including systemic lupus erythematosus, cryoglobulinemia, juvenile rheumatoid arthritis, and autoimmune thyroid disease (eg, Graves disease).
What kind of Doctor to see for urticaria?
Specialists who focus on chronic idiopathic urticaria include allergists, who specialize in allergies and immune system diseases, and dermatologists, who specialize in medical conditions that affect the skin. Seeing a specialist about your symptoms can help determine a diagnosis.