solar urticaria

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a vascular reaction of the skin marked by transient appearance of slightly elevated patches (wheals) that are redder or paler than the surrounding skin and often attended by severe itching; the cause may be certain foods, infection, or emotional stress. (See Atlas 2, Plate D.) Called also hives. adj., adj urtica´rial.
cold urticaria urticaria precipitated by cold air, water, or objects, occurring in two forms: In the autosomal dominant form, which is associated with fever, arthralgias, and leukocytosis, the lesions occur as erythematous, burning papules and macules. The more common acquired form is usually idiopathic and self-limited.
giant urticaria angioedema.
urticaria hemorrha´gica purpura with urticaria.
urticaria medicamento´sa that due to use of a drug.
papular urticaria (urticaria papulo´sa) an allergic reaction to the bite of various insects, with appearance of lesions that evolve into inflammatory, increasingly hard, red or brownish, persistent papules.
urticaria pigmento´sa the most common form of mastocytosis, occurring primarily in children, manifested as persistent pink to brown macules or soft plaques of various size; pruritus and urtication occur on stroking the lesions.
urticaria pigmentosa, juvenile urticaria pigmentosa present at birth or in the first few weeks of life, usually disappearing before puberty, taking the form of a single nodule or tumor or of a disseminated eruption of yellowish brown to yellowish red macules, plaques, or bullae.
solar urticaria a rare form produced by exposure to sunlight.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

so·lar ur·ti·car·i·a

a form of urticaria resulting from exposure to sunlight; some patients have passive-transfer antibodies and others do not.
Farlex Partner Medical Dictionary © Farlex 2012

so·lar ur·ti·ca·ri·a

(sō'lăr ŭr'ti-kar'ē-ă)
A form of hives resulting from exposure to specific light spectra (e.g., sunlight); some patients have passive-transfer antibodies, others do not.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

solar urticaria

Urticaria occurring in certain people after exposure to sunlight.
See also: urticaria
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
The FDA also granted orphan drug status for the treatment for solar urticaria in late 2009.
Hives due to sunlight are called solar urticaria. This is a rare disorder in which hives come up within minutes of sun exposure on exposed areas and fade within one to two hours.
Maurer said that he and his colleagues have successfully treated patients with antihistamine-refractory spontaneous urticaria, cold urticaria, physical urticaria, cholinergic urticaria, solar urticaria, pressure urticaria, and other forms of the disease.
It may be wise to wait for the data before recommending the new products to patients with lupus or a history of solar urticaria or PLE, since they require special UVA protection, he said.