Spanish Fly (Cantharis)
Answered by: Conrad Richter
Question from: Joan
Posted on: August 16, 2004

Would like to have info on this herb, as much as you can give me.

Cantharis vesicatorius is the scientific name for a beetle called ‘spanish fly’, used in alternative medicine, especially in homeopathy. We do not have any expertise in it, or any experience using it. The famous King’s Dispensatory has a detailed monograph on it which is available online; please see:

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