Hi Trisha, I wouldn’t see the increase in metformin as something to worry about, if it’s what your body needs then it’s a good thing as it will help you 🙂 I can understand your concern about your kidney function but try not to stress about it, for now they are checking you out, that’s a good thing too as if there is a problem they will identify it and look at how to help. I don’t know how you manage your diet, but I chose to go low carb as my bg was 22 at the start so I cut all potatoes, rice, pasta and fruit, the only bread I eat is Burgen, a soy and linseed low carb option. I can honestly say I have never felt better, my bloods are under control. My weight is dropping and I’m enjoying cooking again and trying to be creative 😉 Maybe if you share some of the things you eat, we might be able to offer some thoughts? Do you test regularly?