To the Editor.—
Intestinal parasites are a rare cause of urticaria.1 I would like to report a case of urticaria probably due to infestation with Clonorchis sinensis.
Report of a Case.—
A 54-year-old Oriental woman who lived in Michigan was seen on July 1, 1976, because of generalized urticaria. Her history was notable in that she had been in Hong Kong for one month and had only recently arrived home. She had a similar episode of urticaria when she was in Hong Kong four years previously.Laboratory studies were obtained at the time she was seen. The WBC count was 9,000/cu mm with a normal differential, except for 6% eosinophils. The hemoglobin, urinalysis, blood glucose, BUN, serum creatinine, serum bilirubin, SGOT, alkaline phosphatase, serum uric acid, serum cholesterol, serum calcium and phosphorus, serum protein, as well as albumin and globulin levels were all normal. Stools for ova and parasites were negative at first, but when repeated showed many eggs of C sinensis (Figure).The patient was treated with 10 mg of hydroxyzine hydrochloride three times a day
Coskey RJ. Urticaria Due to Clonorchis sinensis. Arch Dermatol. 1977;113(8):1130-1131. doi:10.1001/archderm.1977.01640080132035