Magnesium: Magnesium is an essential mineral. Oral magnesium typically does not cause side effects other than nausea or diarrhea or abdominal cramping. Fatigue is unusual unless magnesium is given intravenously. Numbness is unusual. Magnesium you took will exit your body in about 48 hours. Talk to your doctor about your facial symptoms.
Answered 9/28/2016
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