Here’s some of the potential side effects. Ozempic® may cause serious side effects, including: Possible thyroid tumors, including cancer. Tell your health care provider if you get a lump or swelling in your neck, hoarseness, trouble swallowing, or shortness of breath. These may be symptoms of thyroid cancer. In studies with rodents, Ozempic® and medicines that work like Ozempic® caused thyroid tumors, including thyroid cancer. It is not known if Ozempic® will cause thyroid tumors or a type of thyroid cancer called medullary thyroid carcinoma (MTC) in people. https://www.ozempic.com/why-ozempic/what-is-ozempic.html