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. . and what about angioedema and urticaria? 

. . and what about angioedema and urticaria?
Chapter:
. . and what about angioedema and urticaria?
Author(s):

Mike Ardern-Jones

DOI:
10.1093/med/9780199651559.003.0014
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date: 19 June 2019

In this paper I shall present instances in which eczema, urticaria and angioneurotic edema were produced by proteins which are not foods, but with which persons intimately come in contact throughout life, and which so far have not been recognized as possible causes of these conditions: four cases of eczema, two of which were caused by the proteins of horse dandruff, one by the pollen of timothy and one by the pollen of ragweed; five cases of urticaria, two of which were caused by horse dandruff proteins and three by ragweed pollen, and three cases of angioneurotic edema, caused, respectively, by timothy pollen, flaxseed and ragweed pollen. With the exception of one patient who had hay-fever, all of the patients had bronchial asthma, and the asthmatic condition was caused by the same proteins that also caused the eczema, urticaria and angioneurotic edema . . . During the desensitization of patients with proteins, the appearance of eczema, urticaria or angioneurotic edema should make one suspect that the treatment was the cause of such symptoms. Although such experiences are not serious, yet they are sufficiently alarming to warrant great care in the desensitization of patients with proteins.

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