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Allergy. 1986 Sep;41(7):546-8.

Chewing-gum preservative induced toxidermic vasculitis.


This paper reports the case of a young female patient who presented with a cutaneous urticarial disseminated eruption. Drug-induced side effects were eliminated, and the only recent dietary change was the regular use of chewing-gums containing chlorophylla (E140), menthol and BHT (butylhydroxytoluene). Immunohistological analysis of a cutaneous lesion revealed signs of vasculitis. Within 1 week after stopping chewing gum, the eruption subsided. Oral provocation tests at 4-day intervals confirmed the responsibility of BHT by the reinduction of the cutaneous signs after a few hours.

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