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Clinical & Experimental Allergy

Management of chronic idiopathic urticaria by the identification and exclusion of dietary factors

Authors

  • ANNE GIBSON,

    1. Department of Dietetics, Royal Prince Alfred Hospital, Sydney, and Faculty of Medicine, The University of Newcastle, New South Wales, Australia
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  • R. CLANCY

    Corresponding author
    1. Department of Dietetics, Royal Prince Alfred Hospital, Sydney, and Faculty of Medicine, The University of Newcastle, New South Wales, Australia
      Professor Robert Clancy, Faculty of Medicine, The University of Newcastle, N.S.W., Australia 2308.
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Professor Robert Clancy, Faculty of Medicine, The University of Newcastle, N.S.W., Australia 2308.

Summary

The role played by dietary chemical factors in the pathogenesis of chronic idiopathic urticaria (CIU) was assessed in seventy-six patients by challenge. Stable remission was first established by using an empirically established ‘exclusion diet’. A diet modified to exclude those chemicals giving a positive response to challenge was demonstrated to be of therapeutic value for time periods of up to 18 months. Re-testing twelve patients at 12 months indicated that most patients positive to salicylate or benzoate challenge retained this pattern of reactivity.

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