NY
A female asked:
Will milk of magnesia (magnesium hydroxide) work 2-4 hours after taking?
1 doctor answer • 2 doctors weighed in

Dr. Amrita Dosanjhanswered
Pediatric Allergy and Asthma 37 years experience
Yes usually: Yes usually the onset is within 4 hours.
Following the directions on the package is important
Diet adjustments and including pr obiotics such as yogurt and whole grains is advised.
3.3k viewsReviewed >2 years ago
Similar questions
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 26 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.
2.8k viewsReviewed >2 years ago
Last updated Jun 8, 2018
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