Bites and Infestations

Picture of Brown Recluse Spider Bites

Picture of Brown Recluse Spider Bites

A brown recluse spider is a venomous spider that has a violin-shaped marking on its head. The spiders are most common in the Midwest and the South. Brown recluse spider bites are often painless, which can lead to a delay in treatment. Within hours of a bite, redness and a 'bull's-eye" rash may appear. In the ensuing ensuing hours, the tissue at the center of the bite may begin to sink, form an ulcer, and die. This so-called necrotized tissue has a blue-black appearance. The majority of brown recluse spider bites do not cause significant tissue damage.

Image Source: Medscape - Photo by Thomas Arnold, MD

Text Reference: OSHA Fact Sheet: "Brown Recluse Spider."

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