Why does itching occur 1
Spontaneous hives: When the skin suddenly itches and forms wheals
Chronic spontaneous hives - when symptoms don't improve
One speaks of chronic spontaneous hives if the symptoms persist for more than six weeks, which is the case in around ten percent of those affected.2 If the hives symptoms persist for more than six weeks, you should consult a dermatologist.
The symptoms recur either daily or weekly or at irregular intervals - and a trigger is difficult or impossible to find.
Chronic spontaneous urticaria can underlie the following causes, which are often difficult to identify3:
- Chronic infections or inflammatory processes, for example in the jaw area or in the intestines
- Reaction to food additives such as colorings or preservatives
- In addition, reactions to the body's own substances can also be the cause of chronic spontaneous urticaria - one then speaks of autoreactive urticaria.
As long as a trigger cannot be found, in addition to causal treatment, effective therapies are available to contain the symptoms of chronic hives to such an extent that the sufferer can cope with everyday life without symptoms.
Standard therapy is the use of antihistamines. If these do not lead to a satisfactory reduction in symptoms within two weeks, the international guidelines for the treatment of chronic urticaria recommend increasing the dose up to four times.
For about fifty percent of people with chronic spontaneous hives, that doesn't help enough either.
In these cases, the guideline provides for treatment with other drugs, so-called biologics.
These active ingredients specifically intervene in the body's own defense system and prevent excessive release of the messenger substance histamine, which is responsible for the development of typical symptoms.4
If the course of the chronic hives is particularly difficult, it is worthwhile to systematically look for a possible cause of the chronic hives in conjunction with the treating dermatologist.
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