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A 38-year-old male asked:

Can to much metamucil cause diarrhea? and if so how long after i stop taking it will the diarrhea stop!?

1 doctor answer1 doctor weighed in
Dr. Gurmukh Singh
Pathology 50 years experience
It would take more than a couple of tablespoonfuls of Metamucil to cause diarrhea. If Metamucil overuse is the cause of diarrhea it should stop within a day or two of stopping the intake of Metamucil.
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Last updated Mar 30, 2022


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