Hi. Are you overweight? I suspect you are based on the number of injected units? If you are overweight and insulin resistant then you are adding to insulin already in the body and can get into a vicious circle. If you do have excess weight you must reduce your carbs by enough to reduce weight and insulin needs. This should help break the circle. Watch out for hypos along the way. Apologies if I'm wrong about the weight. Normally insulin should bring blood sugar down to where you want it within days not months with the right number of units.