A member asked:

Can 50 mg of mag oxide in prenatal vitamins cause watery watery stools? just found out i'm pregnant, just started these today, 1-2hrs later, diarrhea

A doctor has provided 1 answer
Dr. Ward Dean answered

Specializes in Holistic Medicine

Not likely: Although high doses of magnesium can cause diarrhea, 50 mg is not likely to be the cause. 500 mg might cause diarrhea in a few folks--but it usually takes in excess of 1,000-2,000 mg for diarrhea to result.

Answered 1/16/2015

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Can prenatal vitamins cause diarrhea?

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