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Popsicle-induced anaphylaxis due to carmine dye allergy.

AbstractBACKGROUND:
IgE-mediated hypersensitivity is a suggested mechanism to explain adverse reactions from carmine-containing products.
OBJECTIVE:
To describe a patient who experienced anaphylaxis after ingestion of a popsicle colored with carmine and to provide additional evidence that the adverse reaction was IgE-mediated.
METHODS:
The patient and her husband underwent skin prick tests to the popsicle and carmine. The patient also received skin prick tests and/or open oral challenge to each of the other components of the incriminated food. Topical application of cosmetics with and without carmine to the patient's forearm was also performed. To confirm carmine-specific IgE, a Prausnitz-Kustner (P-K) test was performed using the patient's husband as recipient. Twenty control subjects also were tested to carmine by skin prick test.
RESULTS:
The patient showed 4+ skin prick test responses to the popsicle and carmine. Skin prick tests and/or open oral challenge to each of the other components of the popsicle were negative. The patient's husband's and 20 control subjects' skin prick tests to carmine were negative as was the patient's husband's skin prick test to the popsicle. Skin prick test reactivity to the popsicle and carmine were successfully transferred to the patient's husband in P-K format. Cosmetics applied to the patient's forearm elicited no immediate response.
CONCLUSION:
The positive skin prick tests to the popsicle and carmine and the successful (P-K) transfer of skin prick test reactivity support a carmine-specific, IgE-mediated mechanism in explaining our patient's popsicle-induced anaphylaxis.
AuthorsJ L Baldwin, A H Chou, W R Solomon
JournalAnnals of allergy, asthma & immunology : official publication of the American College of Allergy, Asthma, & Immunology (Ann Allergy Asthma Immunol) Vol. 79 Issue 5 Pg. 415-9 (Nov 1997) ISSN: 1081-1206 [Print] United States
PMID9396973 (Publication Type: Case Reports, Journal Article)
Chemical References
  • Coloring Agents
  • Food Coloring Agents
  • Carmine
Topics
  • Adult
  • Anaphylaxis (etiology)
  • Carmine (adverse effects)
  • Coloring Agents (adverse effects)
  • Female
  • Food Coloring Agents (adverse effects)
  • Humans
  • Ice Cream (adverse effects)
  • Male
  • Skin Tests

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