phytophotodermatitis

noun
phy·to·pho·to·der·ma·ti·tis | \ˌfīt-ō-ˌfōt-ō-ˌdər-mə-ˈtīt-əs \
plural phytophotodermatitises or phytophotodermatitides\-ˈtit-ə-ˌdēz \

Medical Definition of phytophotodermatitis 

: an inflammatory reaction of skin that has been exposed to sunlight and especially UVA radiation after being made hypersensitive by contact with any of various plants or plant parts and especially those (as limes and celery) with high levels of psoralens and that is typically characterized by a burning sensation, blisters, and erythema followed by hyperpigmentation

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