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Everything is poisonous if you eat enough of it.

Epsom salts are not especially toxic, having an oral LD50 in rats in the 5 grams per kilo range (for comparison, this is actually higher than the LD50 of table salt). If you got a couple of grains in your mouth, you'll be fine. If you ate a lot, you might want to seek medical treatment; very high doses of magnesium are associated with dangerously low blood pressure, respiratory failure, and heart problems, but prompt treatment can reduce the risk significantly.

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11y ago

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