How Is Epsom Salt Used?
Are There Any Risks in Using Epsom Salt?
Drinking Epsom salt can cause an upset stomach and diarrhea, which can in turn lead to dehydration.

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But when used properlydissolved in a warm bathPurdy said the treatment is generally quite safe.
2016;29(2):35-42. doi:10.1684/mrh.2016.0402