Goodness me Paul. Drama follows you. Yes the steroids will definitely increase your blood sugars. You will probably need to increase the insulin while on the steroids. Of course, higher blood sugars are a wonderful environment for yeast, they love it. A vicious circle all right. I am really quite impressed by how you do manage all this. It's a case of having too isn't it.
Do You take Beta Blockers to control your heart rate? They also help with BP control. I'm sure the cardiologist has this all under his watchful eye. When is the dobutamine stress test? All ensuring that you have good coronary blood supply. Unfortunately diabetics are all prone to cardiac issues as well, but I'm sure you know all this.
I hope the neuropathy does not get any worse, and I curse your health system where you have to make do due to cost.
Take care, keep warm,
Tammy