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Wood’s lamp

From DrKoop's partner site on allergy, MyAllergyNetwork.com
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Wood's lamp illumination
Wood's lamp illumination
Wood's lamp test - of the scalp
Wood's lamp test - of the scalp
Alternative Names

Black light test; Ultraviolet light test


Normal Values

Normally your skin will not fluoresce, or shine, under the ultraviolet light.


What abnormal results mean

Using the light, your doctor may be able to confirm a diagnosis of fungal infection or bacterial infection. Your doctor may also be able to learn what is causing the light- or dark-colored spots on your skin.


Review Date: 10/13/2006
Reviewed By: Kevin Berman, MD, PhD, Associate, Atlanta Center for Dermatologic Disease, Atlanta, GA. Review provided by VeriMed Healthcare Network.

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