Hives: Various types at a glance

Spontaneous hives
In spontaneous hives typical symptoms such as itching, hives and swelling of the skin occur suddenly and without apparent first-timer. Depending on the duration of the rash distinction between acute and chronic urticaria: While acute urticaria usually after two weeks - but often just a few hours - again subsides, it is called chronic urticaria, if the symptoms last longer than six weeks . stop Often, chronic hives can find no cause for complaints.

Physical urticaria
A physical urticaria is triggered by external stimuli such as pressure, cold, light, heat or friction. In total there are over 20 different subtypes. The following is the best known:
Pressure urticaria: In this form of hives, it comes through pressure on certain parts of the body to deep swelling. The swellings are particularly common on the back and on the soles and palms.
Ulna Fracture
Cold urticaria: cold urticaria can be cold air, cold liquid or cold objects are triggered. As with other forms of urticaria also causes swelling and wheals on the skin and mucous membranes. The symptoms are either a few minutes after the cold stimulus on or only when the body heats up again. How much different is the cold stimulus should be to elicit the typical symptoms of hives, is from person to person.
Patients who suffer from cold urticaria should always carry an emergency passport for himself by the disease is noted. This is the case with infusions important because these stakeholders may only get heated administered.

Light-hives: This form of hives is usually triggered by UV-A rays, in rare cases also by UV-B rays. At those points that have come in contact with the beam, a short time later form hives. The light-hives, however, is relatively rare.
Symptoms of Copd (Epoc)
Friction hives: Approximately two to four percent of Germans suffer from friction hives - the most common form of physical urticaria. Triggered the disease is caused by friction on the skin. The typical symptoms of hives can for example be caused by the chafing from pack straps, but already by the rubbing of a T-shirt.
Heat urticaria: the case of heat-hives typical symptoms occur only at points that are the source of heat come directly into contact. Just as light and heat hives hives is extremely rare.


Cholinergic urticaria
Cholinergic urticaria is the most common special form of hives. It is caused by a rise in body temperature and occurs particularly in young adults. However, a cholinergic urticaria is rarely discussed, because the symptoms are usually only weakly expressed. On average, adhere to this form of hives between two and ten years before they finally disappear.
Hives - Nettle Rash
Release of cholinergic urticaria is an increase in body temperature. This may for example be caused by sports, spicy foods, alcohol, fever, hot water, or emotional stress. The first wheals may already occur during the temperature rise. Usually they are quickly back again, only in rare cases they persist longer than three hours.