The most common side effects of Semaglutide may include: nausea, diarrhea, vomiting, constipation, stomach (abdomen) pain, headache, tiredness (fatigue), upset stomach, dizziness, feeling bloated, belching, gas, stomach flu, heartburn, and runny nose or sore throat.

Semaglutide may cause serious side effects including:

• inflammation of your pancreas (pancreatitis). Stop using Semaglutide and call your healthcare provider right away if you have severe pain in your stomach area (abdomen) that will not go away, with or without vomiting. You may feel the pain from your abdomen to your back
• gallbladder problems. Semaglutide may cause gallbladder problems, including gallstones. Some gallstones may need surgery. Call your healthcare provider if you have symptoms, such as pain in your upper stomach (abdomen), fever, yellowing of the skin or eyes (jaundice), or clay-colored stools
• increased risk of low blood sugar (hypoglycemia) in patients with type 2 diabetes, especially those who also take medicines for type 2 diabetes such as sulfonylureas or insulin. This can be both a serious and common side effect. Talk to your healthcare provider about how to recognize and treat low blood sugar and check your blood sugar before you start and while you take Semaglutide^®. Signs and symptoms of low blood sugar may include dizziness or light-headedness, blurred vision, anxiety, irritability or mood changes, sweating, slurred speech, hunger, confusion or drowsiness, shakiness, weakness, headache, fast heartbeat, or feeling jittery
• kidney problems (kidney failure). In people who have kidney problems, diarrhea, nausea, and vomiting may cause a loss of fluids (dehydration), which may cause kidney problems to get worse. It is important for you to drink fluids to help reduce your chance of dehydration
• serious allergic reactions. Stop using Semaglutide and get medical help right away, if you have any symptoms of a serious allergic reaction, including swelling of your face, lips, tongue, or throat; problems breathing or swallowing; severe rash or itching; fainting or feeling dizzy; or very rapid heartbeat
• change in vision in people with type 2 diabetes. Tell your healthcare provider if you have changes in vision during treatment with Wegovy^®
• increased heart rate. Semaglutide can increase your heart rate while you are at rest. Tell your healthcare provider if you feel your heart racing or pounding in your chest and it lasts for several minutes
• depression or thoughts of suicide. You should pay attention to any mental changes, especially sudden changes in your mood, behaviors, thoughts, or feelings. Call your healthcare provider right away if you have any mental changes that are new, worse, or worry you