No, it wasn't me who suggested it but I do recall someone saying that using a poultice of fresh cut garlic (must be done immediately) will draw out much of the poison - oh, I mean "ingrediants".

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Man, do not pride yourself on your superiority to animals. For they are without sin and you in your greatness defile the earth by your appearance on it and leave traces of you foulness after you. Dostoyevsky