I was wondering if anyone else has had their doctor mention that metformin can cause lactose inloterance. I have been on met for 5 years now and the stomach problems never went away. On my own I tried taking dairy our of my diet and I have felt a lot better - no longer getting sick to my stomach. I have been trying goat cheese and goat yogurt and so far i am okay. Anyone else with this experience? I have been trying to search the web and I'm not finding much.