dermographism


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dermographism

dermographism

(der-mog'ra-fizm)
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DERMOGRAPHISM
A form of urticaria (hives) in which a pale raised wheal and red flare are produced on the skin when it is gently stroked or scratched. Synonym: dermatographism See: illustration
illustration

dermographism

References in periodicals archive ?
Patients with dermographism and delayed pressure urticaria were more sensitive to omalizumab (13 out of 15 patients showed a complete response) than patients with cold and cholinergic urticaria (3/6 and 6/8 respectively showed a complete response).
Inhibiting effect of cetirizine on histamine-induced and 48/80-induced wheals and flares, experimental dermographism, and cold-induced urticaria.
This is known as "black dermographism," which translates literally to "black writing on the skin.
A positive reaction at the negative control site is associated with dermographism, in which trauma to the skin causes wheals.
Most witnesses thought this unlikely; and it remains possible that they were psychosomatic, perhaps similar in process to the extraordinary dermographism of Mme.
Following patients were excluded: patients on oral corticosteroids for past 1 month patients on oral anti-histamines for past 72 hours pregnant and lactating women patients with urticarial vasculitis patients with a history of type I hypersensitivity patients with physical urticaria other than simple dermographism.
Physical urticaria generally occurs as a result of a physical stimulus and the most common form is dermographism.
Dermographism: Occurrence of eryhtema and swelling in a few minutes after the skin is marked with a solid object indicates presence of dermographism.