Avandaryl is a combination drug used to treat Type 2 Diabetes. When combined with proper diet and exercise, Avandaryl can help control blood sugar levels. By controlling blood sugar levels; one can prevent nerve damage, kidney damage, loss or limbs, and potential blindness. It is to be taken orally. The insulin in your body may be adequate, but it may not as effective as it should due to various factors. Use of Avandaryl will help the body control the level of sugars in your blood.