A: Blister beetle juice (cantharidin) has been used to treat warts for decades. This compound also is known as Spanish fly and was mistakenly thought to be an aphrodisiac.

Warts are an unpleasant and unattractive skin condition, typically appearing as small blister-like growths on a person's hands or feet, although they can occur on other parts of the body as well.

Q: I had a plantar wart on my heel. The dermatologist had her nurse scrape off the top of it and then painted it with beetle juice. The beetle juice destroyed the wart, but a month later I still ha… ...