Epsom salts is not sodium chloride. It's good for soaking swelling, boils, wounds, etc. It even has some antibiotic properties that you can use it instead of antibiotic ointment. It may have a slight sting at first but really nothing much.
I think there's quite a few poultices that work, not just this one. My vet used to prescribe "sugardine" poultice for my horse. It was sugar and betadine. I'm not sure that iodine should be used. It might be too harsh.
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" The salts come from a material in the earth called dolomite, which is rich in magnesium sulfate. The compound came by the name of Epsom
salt because the material was distilled from waters near Epsom, England. The "salt" part of the name refers to the chemical structure of the compound. Epsom salt has many uses, but as...."
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