Erysipelas, Soda Wash for

"Put about a tablespoonful of baking soda in one pint of water and bathe parts several times a day," This is an extremely simple remedy for such a serious disease, but has been known to do good in many cases. The baking soda is soothing.

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