I have been type 2 diabetic for a number of years and was recently transferred to the diabetic team at my local hospital. At my first appointment they changed my rapid acting insulin from Novorapid to FIASP as they said the Novorapid was not acting quickly enough. Great, I thought. FIASP worked really fast and very accurately for the first two weeks but since then it has been nothing but problems. I usually eat lunch at around about 1pm and inject at a ratio of 1:3 about fifteen minutes before I eat. There is no visible sign of control until well after 3pm, nearer 4pm when the FIASP begins to work. Try as I may I have never since been able to control my sugars and avoid massive spikes at above 15 or more. Has anyone else experienced the same thing and managed to resolve it at all please?