What Are the Side Effects of Mounjaro?

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Common Mounjaro™ (tirzepatide) side effects include stomach upset, nausea, vomiting, heartburn, diarrhea and constipation.  To minimize side effects, patients start at a low dose and gradually increase over time. Side effects are typically mild to moderate in severity and more apparent with starting the medication and when increasing the dose.  As it is an injectable medication, some may also have bruising at the injection site. Rare but serious side effects include severe gallbladder disease, pancreatitis, kidney damage, and when used in combination with other medications that lower blood sugar it can cause hypoglycemia (low blood sugar). Before starting Mounjaro, it is important to review these potential side effects with your doctor and be sure to discuss any concerns about side effects while taking the medication.

Learn more about who qualifies for Mounjaro and read more Mounjaro prescribing information.

Mounjaro™ and its delivery device base are registered trademarks owned or licensed by Eli Lilly and Company, its subsidiaries, or affiliates.

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Lauren Lemieux, MD

Lauren Lemieux, MD

FACP, ABOM diplomate

Dr. Lauren Lemieux completed her Internal Medicine residency and fellowship in Clinical Nutrition at UCLA. She is board certified in Internal Medicine and diplomate of the American Board of Obesity Medicine, and as a Physician Nutrition Specialist. She is also a fellow of the American College of Physicians. Dr. Lemieux is passionate about helping her patients reach their health goals using personalized nutrition, lifestyle and weight management strategies.