Toad venom

Bufotoxins are a family of toxic steroid lactones. They occur in the parotoid glands, skin and poison of many toads (genus Bufo) and other amphibians, and in some plants and mushrooms. The exact composition varies greatly with the specific source of the toxin. It can contain: 5-MeO-DMT, bufagins, bufalin, bufotalin, bufotenin, bufothionine, epinephrine, norepinephrine, and serotonin. The term bufotoxin can also be used specifically to describe the conjugate of a bufagin with suberylargine.

The toxic substances found in toads can be divided by chemical structure in two groups:

Toads known to secrete bufotoxin are:

Extract from the skin of certain Asian toads, such as Bufo bufo gargarizans, is often found in certain Chinese folk remedies.