dermatographism


Also found in: Dictionary, Encyclopedia, Wikipedia.

dermatographism

 [der″mah-tog´rah-fizm]
urticaria due to physical allergy in which a pale, raised welt or wheal with a red flare on each side is elicited by stroking or scratching the skin with a dull instrument. adj., adj dermatograph´ic.

der·ma·tog·ra·phism

(der'mă-tog'ră-fizm),
A form of urticaria in which whealing occurs in the site and in the configuration of application of stroking (pressure, friction) of the skin. The resulting white line response appears early in flares of atopic dermatitis.
[dermato- + G. graphō, to write]

dermatographism

Dermographism Dermatology A wheal-and-flare reaction evoked by firmly stroking the skin

der·ma·tog·ra·phism

(dĕ'-mă-tog'ră-fizm)
A form of urticaria in which whealing occurs in the site and in the configuration of application of stroking (pressure, friction) of the skin.
Synonym(s): dermographia, dermographism.
[dermato- + G. graphō, to write]
References in periodicals archive ?
Dermatology was consulted to assess the rash, and they diagnosed a morbilliform eruption with dermatographism. This was thought to be triggered by concomitant HSV infection.
(4) Facial or acral angioedema may occur in both urticaria multiforme and serum sickness-like reactions, but serum sickness-like reactions are not associated with dermatographism. (4) Furthermore, serum sickness-like reactions are typically associated with high-grade fever, myalgia, arthralgia, and lymphadenopathy, which are not seen in urticaria multiforme.
A Dermatographism is a skin condition which affects up to five per cent of the population.
Promethazine HCl is indicated for the treatment of allergic rhinitis, eye irritation due to inhaled or food allergies, mild allergic skin reactions (itching and swelling), allergic reactions to blood or plasma, dermatographism, and anaphylaxis (along with epinephrine and other treatments).
No skin test results could be obtained in cases of dermatographism or of inflamed skin on the forearms, e.g., in patients with acute flare-ups of atopic eczema.
In a small minority of people with dermatographism, an association with thyroid disorders, diabetes or infections can be found.
(2) Participant skin prick test results were not interpretable due to dermatographism, late reading, insufficient response, or interference from drugs such as antihistamins.
(3) Patients with dermatographism can be better assessed by IVT, as can children who balk at skin testing.
-- Consider dermatographism as a possible cause of vulvovaginal pruritus, especially in severe, persistent cases that are unresponsive to antifungal drugs, Dr.
Of these, 44 "did not meet study inclusion criteria," 32 declined to participate (probably to avoid suffering another attack), 9 were lost to follow-up, one was pregnant, and one had dermatographism.