| If the pills ever worked for you at all, in your entire life, you do not have type I. If you have type I, pills do not work. Never, ever. Pills only work if there is insulin in your body.
If the pills worked at one time but do not work any more, that does not mean you started out with Type II but then changed to type I. It just means that for whatever reason, the pancreas got pooped out and stopped making insulin, or that the pills just didn't do the job and you needed insulin injections because the pancreas didn't make enough insulin to do the job. Not being an endocrinologist, I can't say what type a person has with exact certainty.
Type I comes on very suddenly. Type II develops gradually.
How can you tell if you have insulin in your body? That I do not know. I assume there is some sort of test for it, a blood test of some sort.
Sometimes I wonder if there is some sort of intermediate type of diabetes that has some characteristics of both Type I and Type II! | 
