Blackwell Publishing Journal Backfiles 1879-2005
An ornamental succulent plant sold in many plant stores in the Chicago area has been identified as Euphorbia hermentiana Lem, Open and closed patch testing using undiluted latex from this species was performed on five Caucasian volunteers. Open testing on flexor forearms resulted in irrilant follicular dermatitis, while closed testing to the flexor surfaces of both upper arms in each subject produced bullae and vesiculation with residual desquamation and hyperpigmentation. Dermatological signs persisted for over a week following latex application.
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