Any questions: Ultraviolet light for psoriasis

BMJ 1997; 315 doi: (Published 12 July 1997) Cite this as: BMJ 1997;315:g
  1. Rona M Mackie, professor of dermatology
  1. Glasgow

    Where does the balance of advantage lie in the effect of ultraviolet light for people with psoriasis?

    Approximately 80% of people with psoriasis will observe that their psoriatic plaques are improved by exposure to natural sunlight, 10% notice no difference, and 10% report deterioration. This observation has led to the widespread use of artificial ultraviolet radiation as one method of treating psoriasis either singly or in combination. Broad band ultraviolet B (290-320 nm) has been widely used for many years either as monotherapy or …

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