Black widow spider

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Black widow spider

This poisoning is from a bite bya black widow spider (Latrodectus mactans).

The venom of the black widow spider contains neurotoxins that make people sick.

Black widows are found throughout the U.S., but predominantly in the South and West. They are usually found in barns, sheds, stone walls, fences, woodpiles, porch furniture, and other outdoor structures.

Marx J. Rosen?s Emergency Medicine: Concepts and Clinical Practice. 5th ed. St. Louis, Mo: Mosby; 2002: 794-795.

Auerbach PS. Wilderness Medicine. 4th ed. St. Louis, Mo: Mosby; 2001:829-832.

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