release its own insulin. trulicity responds when my blood sugar rises. i ke it once a week, and it works 24/ it comes in an easy-to-use pen and i may even lose a little weight. trulicity is a once-weekly injectable prescription medicine to improve blood sugar in adults with type 2 diabetes when used with diet and exercise. trulicity is not insulin. it should not be the first medicine to treat diabetes or for people with type 1 diabetes or diabetic ketoacidosis. do not take trulicity if you or a family member if you ve had mtiple endocrine neoplasyndrome type or if you are allergic to trulicity. stop trulicity and call yo doctor right away if you have symptoms such as itching, rash, or trouble breatng; a lump or swelling in your neck; or severe pain in your stomach area. serious side effects may include pancreatitis, which can be fatal. taking trulicity with a sulfonylurea or insulin increases your riskfor lo. common side effects include nausea, diarrhea, vomiting,