Envenomation

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1];Associate Editor(s)-in-Chief: Kiran Singh, M.D. [2]

Overview

Envenomation is the process by which venom is injected into some animal by the bite (or sting) of a venomous animal. Many kinds of animals, including mammals (e.g., the Northern Short-tailed Shrew, Blarina brevicauda), reptiles (e.g., the Black mamba), spiders (e.g., Black widows), insects (e.g., wasps, honey bees and caterpillars), employ venom for hunting and for self defense. Most venoms are administered by eating the skin of the victim, but some venoms are applied externally, especially to sensitive tissues such as those that surround the eyes. In some reptiles, such as the Gila monster, venom in the saliva enters prey through bites of grooved teeth, but many animals have specialized organs such as hollow teeth and tubular stingers that penetrate the prey's skin after which muscles attached to the attacker's venom reservoir forcibly squirt venom deep within the victim's body tissue.

Diagnosis

Physical Examination

Skin

Hand

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  Erucism. Adapted from Dermatology Atlas.
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  Erucism. Adapted from Dermatology Atlas.