REPORT OF A CASE
A 7-year-old girl presented to her pediatrician because of a rash. Five days before presentation, she was bitten on the upper abdomen while playing with a spider. The following day, her mother noted increased redness at the site of the bite and a red streak leading superiorly from that site as well as "splotchiness" of the right cheek and posterior aspect of her left thigh. She also experienced intense itching at the site of the bite. Her mother contacted the poison control center and was told that this description was most compatible with the bite of a harmless spider.Over a 2-day period, diphenhydramine (25 mg three times daily) gave symptomatic improvement, but worsening occurred after this medication was stopped. Although afebrile in her pediatrician's office, a temperature of 37.6°C was noted by a school nurse.Pertinent physical findings were limited to the skin of the
Knutson CA, Cohen M, Hansen RC. Spider Bite With Lymphangitic Streaking. Arch Dermatol. 1992;128(2):257–258. doi:10.1001/archderm.1992.01680120129019
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