Does Metformin cause constipation? Since having my dose increased from 1000mg to 1500mg this week, I have become constipated. Is this there a link?

Understanding the Context

Metformin alters how our gut digests food, so maybe it’s just taking time to adjust if you’ve been taking it for so long. If you blood sugar has gone up after stopping it, this could cause constipation as fluids may have changed. Metformin can cause constipation and/or diarrhoea in some people. You may find this problem disappears as your body adjusts to the medication.

Key Insights

Meanwhile drink plenty of fluids to keep hydrated. I add chia seeds to my morning yoghurt to add more fibre. I also snack on dried apple slices instead of biscuits. I read that Metformin can cause diarrhoea but not have the opposite effect. I've 'Googled' the issue and searched here, but can't find anything else with similar issues.

Final Thoughts

It does normally get better as you get used to metformin, for some it does not settle down as you are on the slow release version it should be kinder on your system. As already mentioned if you have the tablets with food it does help with the side effects. Welcome to the forum @katiee Sorry to hear about the unpleasant feelings you have been experiencing. This is one of the downsides of GPs being reluctant to prescribe strips unless you are on meds that are generally accepted to cause hypos. Metformin can cause low blood glucose in some people, but it is very rare. How long does glucophage/Metformin stay in your system?

Official answer: Metformin (brand name: Glucophage) will be in your system for 96.8 hours which is approximately 4 days.Metformin has an... I seem to be experiencing the opposite of what I hear most saying about issues with diarrhea with Metformin. I take 500mg once a day wth my evening meal, and since starting it about a month ago, have had really hard stools. Does anyone know if this is a common side effect of the medication, or...