Bydureon warnings. Bydureon shouldn’t be used to treat people with type 1 diabetes, a disease that occurs when the body doesn’t produce any insulin. The drug also shouldn’t be used by someone who is in a state of diabetic ketoacidosis (a condition that causes dangerously high blood sugar levels). Don’t use Bydureon in place of insulin. It’s not known whether this medicine is safe to use along with insulin. Don’t take this medicine if you have any of the following:

  • thyroid cancer
  • a family history of thyroid cancer
  • multiple endocrine neoplasia type 2 (a type of cancer that can affect the thyroid, adrenal glands, and parathyroid)