I have just had a defibrilator fitted in my chest and as I have been an insulin dependant and also requiring 1000 mlg of metformine whe I was in hospital I had many blood tests and was informed by the consultant that over the ears metrormane has damaged my kidneys,and dryed them out ,has anybody had the same prognoses, bad enough have diabetes and heart failure but now my kidneys are packing up.no luck here. :crazy: