Prolonged benefit following ultraviolet A phototherapy for solar urticaria.
case_report · Level V
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- Record sourced from PubMed, PMID 9274644.
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Abstract
Two patients with severe idiopathic solar urticaria, previously resistant to a variety of therapies including plasma exchange, benefited from springtime courses of ultraviolet A (UVA) monotherapy. Sites which are normally exposed to sunlight were treated, in a cabinet fitted with Philips R-UVA lamps (emitting UVA and visible wavelengths, with peak at 350 nm), twice daily for 2-3 weeks. One patient has been treated in this way for 3, and the other for 2, consecutive years. Repeat monochromator phototesting 3 months after their latest courses of UVA showed a persistent reduction in severity of abnormal photosensitivity. Both patients describe a sustained improvement in their condition lasting over 6 months after treatment.
Medical subject headings
- Photosensitivity Disorders
- Ultraviolet Therapy
- Urticaria