Sore Breasts, a Hot Poultice for

"Apply hot pancakes made of sour milk, saleratus and wheat flour, large enough to cover affected parts. Keep them changed often enough, so they will not be cold. This is an excellent remedy to steam out the inflammation." This is an old tried remedy and one to be relied upon. The steaming relieves the swelling and inflammation and gives relief quickly.

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