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August 1983

Giardiasis Causing Urticaria in a Child

Am J Dis Child. 1983;137(8):761-763. doi:10.1001/archpedi.1983.02140340041011

• We report an association between giardiasis and chronic urticaria and review the few previous cases in the literature. An unusual aspect of our case was the intensification of the urticarial response with antiprotozoal chemotherapy. We discuss the clinical features in terms of the limited current knowledge concerning immunologic mechanisms in giardiasis and the antigenic structure of Giardia lamblia.

(Am J Dis Child 1983;137:761-763)