Leitlinie der Deutschen Gesellschaft für Allergologie und klinische. Immunologie (DGAKI) in Stunden später einstellen (Urticaria factitia tarda). Typisch sind 

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Dermatitis factitia, also known as dermatitis artefacta, is defined as a deliberate self-infliction of trauma resulting in the appearance of skin lesions for which the individual denies any responsibility. An array of lesions can be seen depending on the mechanism of injury. Their localization is usually within the reach of the dominant hand.

Många drabbas vid något tillfälle i livet och besvären kan bero på ett flertal olika stimuli men oftast finner man ingen enskilt utlösande orsak. The prevalence of mast cells in the skin and in the mucous membranes of the human body explains why urticaria is particularly noticeable in those spots. The activation of the mast cells in the upper (outermost) dermal and mucous membrane layers leads to wheals, while the activation in the lower (deeper) dermal layers leads to deeper swelling (angioedema). The name urticaria is derived from the common European stinging nettle Urtica dioica. A weal (or wheal) is a superficial skin-coloured or pale skin swelling, usually surrounded by erythema (redness) that lasts anything from a few minutes to 24 hours. Usually very itchy, it may have a burning sensation.

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Kroniske urticaria inddeles på baggrund af inducerbarhed i henholdsvis kronisk spontan urticaria (CSU), udløst af ukendte eller kendte årsager, samt kronisk inducerbar urticaria (CINDU)(tabel 1) (1). Prævalens Livstidsprævalensen af akut urticaria er 15-20%, medens den for kronisk urticaria er 0,5-1% (6, 7). Patogenese urticaria is classified as either CSU or chronic inducible urticaria (CIndUs) [2, 4]. Within the group of CIndUs, symptomatic dermographism/urticaria factitia, cold- and heat-induced urticarias, delayed pressure urticaria, solar urticaria, and vibratory angioedema are defined as physical urticarias. Non-physical CIndUs include cholinergic Als Urticaria factitia bezeichnet man eine reaktive, stark juckende Quaddelbildung der Haut als unmittelbare Folge einer physikalischen Reizung in Form von Kratzen, Scheuern oder Reiben.

Skin lesions in physical urticaria result from mast cell activation and mediator re-lease. The mechanisms by which physical stimuli activate Urticaria factitia (UF) (syn. symptomatic dermographism, dermographic urticaria) is the most common subtype of physical urticaria [2, 5, 6].

Verzögerte Druckurtikaria. 3. Kälteurtikaria.

Urticaria, Hives Skin Rash can be a result of several situation, a few causes are listed below. Visit our center to receive the best treatment available!

The prevalence of mast cells in the skin and in the mucous membranes of the human body explains why urticaria is particularly noticeable in those spots. The activation of the mast cells in the upper (outermost) dermal and mucous membrane layers leads to wheals, while the activation in the lower (deeper) dermal layers leads to deeper swelling (angioedema). The name urticaria is derived from the common European stinging nettle Urtica dioica. A weal (or wheal) is a superficial skin-coloured or pale skin swelling, usually surrounded by erythema (redness) that lasts anything from a few minutes to 24 hours.

Urticaria factitia skin

Dermatitis factitia, also known as dermatitis artefacta, is defined as a deliberate self-infliction of trauma resulting in the appearance of skin lesions for which the individual denies any responsibility. An array of lesions can be seen depending on the mechanism of injury. Their localization is usually within the reach of the dominant hand. The diagnosis requires a careful multidisciplinary Symptomatic dermographism (syn. urticaria factitia, dermographic urticaria) is the most common subtype of physical urticaria. It is characterized by rapidly occurring pruritic whealing after moderate scratching, stroking, or rubbing of the skin (Fig.
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Within the group of CIndUs, symptomatic dermographism/urticaria factitia, cold- and heat-induced urticarias, delayed pressure urticaria, solar urticaria, and vibratory angioedema are defined as physical urticarias. Non-physical CIndUs include cholinergic INTRODUCTION. Urticaria, or hives, is a skin lesion generally described as the pruritic ‘wheal-and-flare’ reaction. 1 The wheal is a localised intracutaneous oedema surrounded by a flare, an area of redness or erythema produced as a result of dilated blood vessels. Individual hives can last from 30 minutes to 36 hours and vary in diameter from 1 mm to 20 cm.

The urticaria factitia patient showed no benefit of the add-on 5 months treatment with Moderate pressure on the skin induced nonpruritic urticaria-like swelling after approximately 3–5 Urticaria factitia (itching urticarial dermographism) released by suction disks of an electrocardiograph.
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Skin test sites in delayed pressure urticaria, and urticarial esions (> 6 h duration) of acute and chronic recurrent urticaria also showed marked upregulation of CD11b and CD18, and to a lesser

The diagnosis of urticaria factitia was supported by the history and the skin reaction at the typical trigger (itching palpable wheals within 10 min after light stroking … 2000-12-31 Urticaria Factitia. definition. This variant of chronic urticaria presents as linear erythema and intensely pruritic wheals at sites of trauma, friction with clothing or after scratching the skin. Scratching generates new lesions.


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Dermographism (also known as dermatographism or urticaria factitia) – Occurs at sites of rubbing, scratching, stroking, or any form of firm friction to the skin. …

Urticaria factitia reageert goed op antihistaminica. Verder is voorlichting belangrijk. De patiënt moet zich zo weinig mogelijk krabben, voorzichtig afdrogen (na douchen niet wrijven maar deppen), geen strakke kleding dragen. Eventuele andere oorzaken van jeuk opsporen en bestrijden. Synonyms for urticaria factitia in Free Thesaurus. Antonyms for urticaria factitia.