Like "The question of what type is a tough one. If your blood sugar can come down without injecting insulin, you are most likely type 2. If you are injecting insulin, you could be either type 1 or type 2. The key difference is this: in type 1 diabetes, the immune system destroys all the cells that produce insulin. In type 2 diabetes, the body still makes insulin but doesn't produce enough or the body doesn't use the insulin efficiently enough to keep blood sugars in control. The dramatic fluctuations in your A1C are surprising. Were you using exactly the same treatments when saw those kind of fluctuations? "