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A 34-year-old member asked:

hi, i take metformin for pcos, 1000mg 2x daily. when i have a b.m. i see the whole pill sometimes. i take it w/food. at the same time, is this normal?

2 doctor answers7 doctors weighed in
Dr. Michio Abe
Internal Medicine 26 years experience
GI side effects: Metformin very commonly causes gastrointestinal side effects such as indigestion, nausea, vomiting, abdominal pain, and diarrhea. If your bm is loose or watery, it means your GI transit time is very fast in which case you are likely to see the whole pill. If you haven't tried yet, you could try extended- release form of metformin such as fortamet, which causes less GI side effects.
Dr. William Drescher
Dr. William Drescher commented
Psychiatry 49 years experience
Extended release tablets can be of a wax-matrix form from which the active drug washes out. The wax-matrix remains so it looks like the pill hasn't disolved
Feb 7, 2012
Dr. Melissa Young
Internal Medicine 9 years experience
If xr: If you are taking one of the extended release versions, you may be seeing the coating.

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Last updated Aug 10, 2018

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