Insect bite reaction - close-up
This is a 2 to 3 centimeter wide blood-filled (hemorrhagic) blister (bullae) that has resulted from an insect bite. It is located on the wrist. Bullae formation and tissue necrosis (death) are more common with spider bites, but may also be caused by insect bites.

Review Date: 2006-05-11
Reviewed By: Eric Perez, MD, Department of Emergency Medicine, St. Luke's-Roosevelt Hospital Center, New York, NY. Review provided by VeriMed Healthcare Network.
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