Abstract
We report the case of a 38-year-old woman who presented with a 10-year history of painful ulcerations on her tongue. She reported that she drank large quantities of diet cola and some orange juice daily and that she used cinnamon-flavored toothpaste and mouthwash nightly. Patch testing elicited positive reactions to balsam of Peru (a fragrance as well as a flavoring agent put in cola drinks that cross-reacts with orange juice) and cinnamic aldehyde. She was diagnosed with allergic contact dermatitis. She was put on a restricted diet and a fragrance-free regimen, and her condition resolved.
MeSH terms
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Acrolein / adverse effects
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Acrolein / analogs & derivatives
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Adult
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Balsams / adverse effects
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Beverages / adverse effects
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Carbonated Beverages / adverse effects*
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Citrus sinensis / adverse effects
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Cross Reactions
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Dermatitis, Allergic Contact / diagnosis
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Dermatitis, Allergic Contact / etiology*
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Female
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Flavoring Agents / adverse effects*
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Glossitis / diagnosis
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Glossitis / etiology*
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Humans
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Oral Ulcer / diagnosis
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Oral Ulcer / etiology*
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Patch Tests
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Sweetening Agents / adverse effects*
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Toothpastes / adverse effects
Substances
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Balsams
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Flavoring Agents
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Sweetening Agents
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Toothpastes
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Acrolein
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Peruvian balsam
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cinnamaldehyde