Unfortunately the thrush and the weeing are signs that the medication is working well. There are less strong versions in the family, less aggressive. empagliflozin for example,
Adrenaline is indeed an antagonist of insulin and high adrenaline levels will turn off the glucose storage pathways to the muscles since it is the fight / flight hormone and is expecting you to use up the energy, and not store it away. This can cause blood sugars to rise after strenuous exercise or competitive sporting events. Maybe yoga techniques could help? May be the med you need is stress reduction?
Here is some info on carb blockers
Carb blockers claim to help you eat carbs without absorbing the calories. But do they work? Are they safe? This article reviews the science.
www.healthline.com
How do drugs like Precose and Glyset work? What kinds of side effects can you expect? When will your doctor prescribe them, and who shouldn't take them?
www.webmd.com