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A 30-year-old female asked:

I'm trying to lose weight. monday-wed i weighed 157.2 ilbs and then rest of the week i'm weighing 158.2. i haven't been pooping good , i can't always go even when i feel like it and when i do its 2-3 small pieces. can constipation cause weight gain?

1 doctor answer2 doctors weighed in
Dr. Matt Wachsman
Internal Medicine 36 years experience
Yes, just yes.: Even in a normal person, up to a pound variation can occur with stool. This can go to 3 pounds if there is significant constipation. ALSO, water weight in a normal person is an additional pound variation. With running, it can go to 2-3 pound changes and with conditions where the fluid level is abnormal due to organ failure, a 5% variation is quite common.

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Last updated Sep 23, 2019

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