I began taking nightly basal insulin injections in January 2017. I developed diabetes following Whipple Surgery for pancreatic cancer in 2002, but had been able to control the diabetes with diet and exercise until the past year or so. My HbA1C improved from 7.5 to 6.7 (USA measure) after first three months on insulin (I take a very small dose - 6 units), and unfortunately I have quickly gained 4.5 kilos. Since Whipple surgery in 2002, I have followed a low fat/relatively low carb diet of 1800 calories average per day. (Fresh vegetables and fruit, whole grains, poultry, seafood, small amount of dark chocolate after dinner. No deep fried foods, no sweet baked items, no sweet carbonated drinks. I do have wine with dinner, one to two glasses.) I must take Creon with meals. I am relatively active - walking 4 miles or more 4 to 5 days a week, on days not walking I do moderate intensity spin biking plus free weights afterwards. I enjoy gardening and have spent lots of time with that lately since spring arrived early here. Due to the weight gain, my BMI is 26.2 which is overweight. I am worried about the weight gain which happened quickly within a two three week span, and the possibility of it getting worse which could make my sugar control more difficult requiring more insulin which could result in more weight gain...?? I have tried further reducing calories, and especially from carbs, but so far no luck in reducing my weight more than a kilo which comes and goes. I have at least stopped gaining more weight so far. My PCP says eating less with more activity is the only thing he can suggest. I am 65 years old (retired), active and other than surgically induced diabetes, healthy. Any suggestions on losing weight with type 3C diabetes? Is the weight gain with insulin permanent? Have you been able to affect weight with diet/life style modification?