Severe contact urticaria to guar gum included as gelling agent in a local anaesthetic

Volume: 52, Issue: 6, Pages: 307 - 308
Published: Jun 1, 2005
Abstract
We report the first case of a life-threatening immediate-type hypersensitivity caused by Dynexan, a local anaesthetic gel. After mucosal application by his dentist, a 63-year-old man rapidly developed urticaria, dyspnea and, at last, he collapsed and remained unconscious for 2 hr despite emergency care. While the standard prick tests were negative to all local anaesthetics tested including lidocaine, a 1-fold positive reaction was detected to...
Paper Details
Title
Severe contact urticaria to guar gum included as gelling agent in a local anaesthetic
Published Date
Jun 1, 2005
Volume
52
Issue
6
Pages
307 - 308
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