Hi, I am a type 1, 1.5 which I have been for 4 years,with a hba1c of 7.2. I have questioned the fact tat I seem to be fairly resistant to insulin / drugs in general. I only take 30u levemir split into 2doses, however novo rapid seems to work irratic and to prove such point I overdosed with 250u novo rapid in one go, my bg only dropped to 2.9 although I felt low for a couple of hours. I still functioned perfectly well! I have asked to change insulin and ths as been refused. I often go high before te insulin working and only if I have long periods between meals. Does nobody else have this problem and I am slightly concerned that I can cope with such large quantities of insulin. That was only a one off I do not normally take overdoses I was interested to see if anything would happen as I was fairly confident nothing would.