Welcome to the Forum!
Your question has been previously addressed
here.
Read through the first three threads in the Type 2 Section, when you get a chance, if you have not already done so. These threads will most-likely help you a lot. Self education is one of the keys to successful management of your diabetes, along with a healthy / sensible diet and exercise. Basically, diabetes requires a life-style change for the better.
Please consider doing everything in your power to get your average blood glucose readings down to less than 140 mg/dL. Good luck with your control and management.