trulicity is not recommended as the first medicine to with severe stomach oruld notintestinal problems or people with type i diabetes or diabetic ketoacidosis. trulicity is not insulin and has not been studied with long-acting insulin. do not take trulicity if you or anyone in your family has had medullary thyroid cancer or multiple endocrine neoplasia syndrome type 2 or if you are allergic to trulicity or its ingredients. stop using trulicity and call your doctor right away if you have symptoms of an allergic reaction, such as itching, rash, or difficulty brthing; if you have signs of pancreatitis such as severe stomach pain that will not go away and may move to your back, with or without vomiting or if you have symptoms of thyroid cancer, which may include a lump or swelling in your neck, hoarseness, trouble swallowing, or shortness of breath. medicines like trulicity may cause stomach problems, which could be severe. tell your doctor about all your medical conditions and any medicines you take. taking trulicity with a sulfonylurea or insulin may increase your risk for low blood suga