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How fast do magnesium pills work

A 36-year-old member asked:
Dr. Liesa Harte
29 years experience Family Medicine
Magnesium : It depends on the form of magnesium and how you take it. It works with minutes in many cases, certainly in less than an hour. Most Americans are ... Read More

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A 48-year-old member asked:
Dr. Yash Khanna
57 years experience Family Medicine
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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A female asked:
Dr. Reid Holtzclaw-swan
25 years experience Internal Medicine
Several days: 500 mg is not a huge dose. I would recommend 500 mg twice daily with plenty of water until you start having regular bowel movements, then cut back on ... Read More
A 38-year-old member asked:
Dr. Yash Khanna
57 years experience Family Medicine
Use other laxatives;: If magnesium citrate does not work when being used foe constipation you may need lifestyle changes like eating more fiber in your diet like20to35grm ... Read More
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A 59-year-old male asked:
Dr. Adrian Baudy IV
12 years experience Nephrology and Dialysis
Unlikely: Magnesium is easily secreted by the kidneys are are easily regulated by the kidneys if levels get too high. Those means if you have normal kidneys you ... Read More
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A 62-year-old female asked:
Dr. Tipu Sultan
Specializes in Allergy
1-2 pills: If his kidney functions are ok he can 250-500 mg magnesium. If he gets diarrhea cut the dosage why he has low magnesium ? Does he take water pills? D ... Read More
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A 29-year-old female asked:
Dr. Marc Zimmermann
22 years experience Psychiatry
Yes: Unless you have a medical condition, magnesium is a safe supplement to take. Literature suggests it is a calming agent.
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A 41-year-old member asked:
Dr. Yash Khanna
57 years experience Family Medicine
1/2 TO 6 HOURS: It takes 1/2 to 6 hours for it to work and relief in 12to 24 hours.
A 37-year-old member asked:
Dr. Yash Khanna
57 years experience Family Medicine
Not recommended: Milk of magnesia (magnesium hydroxide) which has expired should not be used and it will not be effective and we can not recommend that.
A 31-year-old female asked:
Dr. Frank Kuitems
39 years experience Internal Medicine
Well: Usually OK unless you inhale it. For specific advice ask your doctor

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