A 32-year-old member asked:
if you take magnesium oxide to help with leg cramps, does it make your muscles weak?
2 doctor answers • 4 doctors weighed in
Dr. John Hammes answered
Nephrology and Dialysis 28 years experience
Yes, if take too muc: Magnesium oxide 420mg once/twice daily should not make muscles weak but if you take large amounts and have kidney failure, your magnesium level may get very high and this may be dangerous / cause weakness. It is possible that 420mg once daily could cause symptoms of weakness, but I have not seen this.
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Dr. James Isobe answered
Phlebology 54 years experience
Should not: Mgo is used for relief of indigestion, heartburn as an antacid; short term laxative; and supplement. Side effects may be nausea, abdominal cramping, and long term use may cause bowel obstruction. It should not result in muscle weakness.
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Last updated Jan 9, 2018
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