Doesn't make sense?

db89 said:

LADA is just a term for slower onset Type 1 is it not?

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Yes, ultimately the two conditions are the same - certainly with regards to how they are eventually treated. As I mentioned to the OP, insulin resistance or "double diabetes" can be a factor in those with LADA (or whatever name you'd like to give it). So that was my angle

I'm probing the realms of insulin resistance being a factor in the OP's elevated BG's.

Robbins said:

Hi Db89, yes, from what I've read ever

I don't eat the same thing every day, but usually 80 carbs/day. My I:C ratio is twice as much in the morning as it is for the rest of the day, so not really sure. Given your questions, what are you thinking in respect of my original post?

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So the upper end of your total daily bolus dose (going from the information you provided) is 16u. As you're eating an average of 80g carbs per day we can assume that your I:C ratio is roughly 1:5 for breakfast and lunch? And you've said that your I:C ratio doubles in the morning, so we can say you're 1:2.5 for breakfast - both of those ratios would suggest a fair amount of insulin resistance.

So as far as I can see, there are two main possibilities:

-You're insulin sensitivity is changing. I have no explanation as for why this may be the case, but it's certainly a possibility - as it is for all diabetics. Insulin requirements change all the time.

-Your basal dose is too low. As @noblehead and others have suggested, doing a basal rate test is highly advisable; as a correctly set basal dose is the foundations of good control. If your basal dose is too low, then you may be compensating for this with extra bolus insulin. This may be why you're finding that your correction doses are doing very little.

I hope some of this makes sense and that you get to the bottom of your problem soon

12 of Lantus is pretty low. I use 25. Weight is 72kg.

Basal testing is always a cornerstone of getting the best control possible.

your individual dose requirement will be individual to you, and can only be determined by you in conjunction with your Health care team.

anybody else posting their dose should be regarded as evidence that you should properly test and arrive at your own dose.