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Brown recluse spider

Brown recluse spider

Overview

The brown recluse is a venomous spider most commonly found in midwestern and southern states of the United States. It is about one-half inch overall and has long skinny legs. The brown recluse is brown with a characteristic dark violin-shaped marking on its head. It is most commonly found outside in wood, leaves, or in piles of rocks. If a brown recluse wanders indoors they will go to dark closets, shoes, or attics. The brown recluse is a non-aggressive spider and will only bite when it is disturbed.

Review Date 10/16/2017

Updated by: Jesse Borke, MD, FACEP, FAAEM, Attending Physician at FDR Medical Services/Millard Fillmore Suburban Hospital, Buffalo, NY. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.