Solar urticaria in an infant.
case_report · Level V
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- Record sourced from PubMed, PMID 9039305.
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Abstract
A 2-year-old girl presented with a history of an erythematous rash which occurred immediately after exposure to sunlight and had been a problem since birth. Extensive laboratory investigations to exclude genophotodermatoses, photosensitivity secondary to metabolic disorders and photoaggravated dermatoses were negative. Monochromator irradiation phototesting demonstrated immediate erythematous flares to all ultraviolet B (UVB), UVA and visible wavelengths up to 500 nm. A diagnosis of solar urticaria was made and she responded to loratidine 10 mg daily. We believe this is the first report of solar urticaria, confirmed by phototesting with a monochromator so early in life.
Medical subject headings
- Photosensitivity Disorders
- Sunlight
- Urticaria