Erysipelas, Slippery Elm Bark for

"Slippery elm used as a wash and taken as a drink." Slippery elm is a very good remedy for this on account of its soothing effect to the affected parts. It is very good to take internally, as it cleanses the system by acting on the bowels and kidneys.

Source: Mother's Remedies: Over One Thousand Tried and Tested Remidies from Mothers of the United States and Canada, T. J. Ritter