From your other thread, it seems you have a call with your team tomorrow to discuss this change?
I'm neither T1, not an insulin user, but I do know with another medication I take, when making changes to that regime, things sometimes get worse before an improvement appears. Maybe you're just in that rubbish in-betweeny stage?
I also understand, from reading on here that when insulins are changed, the HCPs are often conservative with their calculations for the transitional period, so that the potential for serious lows are avoided. I believe the general feel is that higher than desired numbers can be managed more readily than very low stuff which can be light threatening, more immediately.
Clearly very high numbers plus ketones is the exception. If your numbers are high teens or higher, do you check for ketones?