Other names: urticaria, urticaria

Urticaria is a skin rash that resembles burns from stinging nettles. Substrate is swelling of the skin around the extended blood vessel whose wall has an increased throughput and thus the fluid escapes from them into the tissue. An important role in this reaction plays histamine.

Urticaria looks like bud raised above the surrounding skin surface, its color may be red, but also white, typically white paper with red surroundings. Buds cause severe itching, sometimes coalesce in larger areas, for some types of urticaria forms and vesicles. Typical is the volatile nature of the buds.

Urticaria can be acute or chronic, which lasts for more than a month. The cause of urticaria may beallergies often may be an allergy to a food or drug, or a contact allergy to various materials.Sometimes it may be sowing urticaria accompanied overall allergy symptoms such as joint pain, shortness of breath and swelling.

For some people, urticaria occur even in response to cold, heat or pressure on the skin, sometimes it also causes sunbathing. The cause may be a generalized disease. Often the cause is established at all.

The best treatment for hives is to avoid the causes. May help drugs from antihistamines. Chronic urticaria heals skin specialist – a dermatologist in cooperation with other specialists, but it is often difficult to detect the cause and treatment can be difficult.