Bee Sting Treatment Should Emphasize Speed, Not Method Of Removal

University Park, Pa. -- Immediate treatment of bee stings -- one of the most common insect-caused injuries to humans -- should emphasize quick removal of the sting, rather than the method by which the sting is removed, according to entomologists at the University of California, Riverside and Pennsylvania State University.

Writing in the Aug. 3 issue of The Lancet, an international medical journal published in Great Britain, the scientists challenge the conventional wisdom that a sting should be scraped off the skin rather than pinched out. The way it is removed has no bearing on the amount of bee venom that the sting injects, according to the scientists.

"We have always been told that pinching a bee sting out of the skin would cause more venom to be injected," said P. Kirk Visscher, associate professor of entomology at UCR. "What this study found is that the method of removal does not affect the quantity of venom received. Even small time delays do make a difference, though, so what is important is that the sting be removed as quickly as possible."

The finding goes against conventional advice that bee stings should be scraped out -- using a knife blade, credit card or fingernail -- and never plucked out by pinching with tweezers or fingernails. Visscher was skeptical of this advice because, although the sting remains in the skin and continues to inject venom, it does so through a valve system in the sting, not through compression as would occur with pinching.

To test the premise, Visscher and his UCR colleague, research entomologist Rick Vetter, made bees sting them on their own forearms, and measured the size of the resulting welts after scraping and pinching the stings out at various time intervals. Visscher and Scott Camazine, assistant professor at Pennsylvania State University, also showed that welt size is a good measurement of envenomization, by measuring the welts from injecting known quantities of bee venom into th

Contact: A'ndrea Elyse Messer
Penn State

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