Brown Recluse Spider Bite

September 14, 2005
F. Hall Reynolds II, MD

,
William F. Keenan, MD

The characteristic marking of the true brown recluse spider is an upside-down violin shape on the dorsal cephalothorax.

The characteristic marking of the true brown recluse spider is an upside-down violin shape on the dorsal cephalothorax (A). Photographs B and C show the sequelae of a brown recluse spider bite after 5 and 10 days, respectively.

The suggested treatment regimen includes close observation of the patient, elevation and rest of the bitten area, application of ice, antibiotic therapy, and tetanus immunization.

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