A male asked:

Will milk of magnesia (magnesium hydroxide) still work even if expired?

1 doctor answer • 2 doctors weighed in

Dr. Frank Kuitemsanswered

Internal Medicine 38 years experience

Yes: yes as long as it did not get much hotter than room temperature

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3.7k viewsReviewed >2 years ago

Dr. M. Hytham Beck

Dr. M. Hytham Beck agrees1 doctor agrees

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A 48-year-old member asked:

How fast milk of magnesia (magnesium hydroxide) work?

1 doctor answer • 2 doctors weighed in

Dr. Yash Khannaanswered

Family Medicine 59 years experience

1/2 HOUR TO 6 HOURS: It may work as an antacid within 30 minutes and as a laxative it may take 6 hours to 12 hours.

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4.7k viewsReviewed >2 years ago

Dr. Raymond Chow

Dr. Raymond Chow agrees1 doctor agrees

Dr. Raymond Chow commented

Pharmacology 10 years experience

Check with the dosing on the product label, since generally lower doses are used for acid reduction (1-3 TEAspoons), and higher to move the bowels (1-3 TABLEspoons).

Nov 26, 2013

A 35-year-old member asked:

How long should I give milk of magnesia (magnesium hydroxide) to work?

2 doctor answers • 5 doctors weighed in

Dr. Heidi Fowleranswered

Psychiatry 27 years experience

Milk of magnesia (magnesium hydroxide): Milk of Magnesia (magnesium hydroxide) usually takes effect (leads to a bowel movement ) in half an hour to six hours – but this is variable.

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2.8k viewsReviewed >2 years ago

Dr. Bennett Machanic

Dr. Bennett Machanic agrees1 doctor agrees

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Related questions

A 27-year-old male asked:

My milk of magnesia (magnesium hydroxide) expired in 1/16 and I'm having bad constipation...is it ok to take one dose of it until I can get some new medicine in the morning?

1 doctor answer • 1 doctor weighed in

A 19-year-old male asked:

I feel constipated, but little strands are coming out. I've just taken some milk of magnesia (magnesium hydroxide). If it doesn't work, what should I do?

1 doctor answer • 1 doctor weighed in

A female asked:

Is taking expired milk of magnesia (magnesium hydroxide) safe? I just took a dosage of this, for chronic constipation. Realized after that it expired in 1991. Am I ok?

1 doctor answer • 2 doctors weighed in

A 23-year-old member asked:

Hello. I tried milk of magnesia (magnesium hydroxide) magnesium citrate and castor oil and none same to work for fully and I was wondering what should I do next..

1 doctor answer • 9 doctors weighed in

A 25-year-old male asked:

Took milk of magnesia (magnesium hydroxide) around 6:30pm and my stool is still watery. Also it's starting to burn a little. Is that burning normal?

1 doctor answer • 1 doctor weighed in

Last updated Mar 23, 2020

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Milk of magnesia

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