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November 2005

A Stomatitis Due to Artificial Cinnamon-Flavored Chewing Gum

Arch Dermatol. 2005;141(11):1466-1467. doi:10.1001/archderm.141.11.1466-c

Cinnamaldehyde and cinnamic alcohol are naturally present in Myroxylon pereirae and are currently used in perfumes and toothpastes but are also used in chewing gums as flavoring agents. Even if they are well-known allergens,1,2 oral contact dermatitis induced by cinnamon-flavored gum is relatively uncommon. Usually, it is induced by flavoring agents such as menthol or oils (eg, peppermint, rosemary, anis).1 Only a few reports have described oral reactions with such agents,3-5 some of which were lichenoid reactions4; 1 case of squamous cell carcinoma has been reported.5 We report a case of contact dermatitis to cinnamon-flavored chewing gum.