Equine Medicine
Cantharidin Toxicosis from Blister Beetles in Horses
Blister beetles, also known as Spanish fly, contain a toxic substance called cantharidin that can severely injure or kill horses.
About the Author
MaryEllen earned her bachelor’s degree in science at the University of Illinois in Animal Sciences. She then went back to school at Parkland College and became a certified veterinary technician. She has been an active member of the ASPCA Animal Poison Control Center since May of 2011. Outside of work, MaryEllen enjoys spending time with her off-the-track thoroughbred horse, Parker, and volunteering with her Pet Partners–registered dog, Ruby.
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