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A 37-year-old member asked:

is one overdose of milk of magnesia (magnesium hydroxide) harmful?

1 doctor answer1 doctor weighed in
Dr. Richard Bensinger
Ophthalmology 52 years experience
no harm: Your body will not react to this and it will cause no problems for you.

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A 48-year-old member asked:

What is the treatment for milk of magnesia (magnesium hydroxide) overdose?

1 doctor answer1 doctor weighed in
Dr. Danny Proffitt
Family Medicine 43 years experience
Time: It will run through you (runs) and once through, it's done! the faster the better so that you do not have time to absorb it into the body. If concerned, call poison control or your pcp or if indicated, go to the er.
A 32-year-old member asked:

Can you have a milk of magnesia (magnesium hydroxide) overdose?

1 doctor answer2 doctors weighed in
Dr. Danny Proffitt
Family Medicine 43 years experience
Yes: Especially if you have renal/kidney disease. It will also give you a great case of diarrhea. Magnesium is an essential mineral. It is poorly absorbed by the GI tract, thus it's use as a laxative. It is excreted by the kidneys, thus with renal disease, use caution. A good dose (overdose) by mouth will usually just give a really bad case of diarrhea.

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Last updated Apr 17, 2018

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