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Journal of Mahatma Gandhi University of Medical Sciences and Technology


Eugenol is a phenolic compound commonly used in dentistry as an analgesic and anti-inflammatory drug. Zinc oxide eugenol is an important root canal filling material in primary teeth with excellent documented success. Its cytotoxic effect is documented in some cases due to production of zinc eugenolate which is highly unstable and induces type IV hypersensitivity reactions and even generalized anaphylactic symptoms. But, the case reports documenting immediate hypersensitivity reaction to eugenol are very rare. This was a case of type I immediate hypersensitivity reaction to eugenol in a 3 years old pediatric patient. During the full mouth rehabilitation under general anesthesia, hard indurated swelling of lower lip was observed at the time of obturation of mandibular primary teeth. The procedure was stopped immediately suspecting an allergic response which was later confirmed to be eugenol allergy by patch test. Hence, it is important to evaluate all local allergies even if the patient fails to report allergy history.

Keywords: Allergy, General anesthesia, Zinc oxide eugenol.

How to cite this article: Beniwal A, Chaturvedi S, Bhatt T, Sharma A, Nigam AG. Eugenol Hypersensitivity in Pediatric Dental Patient: A Rare Case Report. J Mahatma Gandhi Univ Med Sci Tech 2016;1(2):68-70.

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