Wegovy^® may cause serious side effects, including:

• Possible thyroid tumors, including cancer. Tell your healthcare 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, Wegovy^® and medicines that work like Wegovy^® caused thyroid tumors, including thyroid cancer. It is not known if Wegovy^® will cause thyroid tumors or a type of thyroid cancer called medullary thyroid carcinoma (MTC) in people
• Do not use Wegovy^® if you or any of your family have ever had a type of thyroid cancer called medullary thyroid carcinoma (MTC) or if you have an endocrine system condition called Multiple Endocrine Neoplasia syndrome type 2 (MEN 2)

Wegovy^® (semaglutide) injection and Wegovy^® (semaglutide) tablets are prescription medicines used with a reduced calorie diet and increased physical activity to:

• reduce the risk of major cardiovascular events such as death, heart attack, or stroke in adults with known heart disease and with either obesity or overweight.
  
• help adults with obesity, or some adults with excess weight (overweight) who also have weight-related medical problems to lose weight and keep the weight off.

Wegovy^® contains semaglutide and should not be used with other semaglutide-containing products or other GLP-1 receptor agonist medicines.

It is not known if Wegovy^® injection is safe and effective:

• to reduce the risk of major cardiovascular events (death, heart attack, or stroke) in people under 18 years
• to help children under 12 years of age lose weight and keep the weight off

It is not known if Wegovy^® tablets are safe and effective for use in people under 18 years of age.

• you or any of your family have ever had a type of thyroid cancer called medullary thyroid carcinoma (MTC) or if you have an endocrine system condition called Multiple Endocrine Neoplasia syndrome type 2 (MEN 2)
• you have had a serious allergic reaction to semaglutide or any of the ingredients in Wegovy^® injection or Wegovy^® tablets. See symptoms of serious allergic reaction in “What are the possible side effects of Wegovy^®?”

• have or have had problems with your pancreas or kidneys
• have type 2 diabetes and a history of diabetic retinopathy
• are scheduled to have surgery or other procedures that use anesthesia or deep sleepiness (deep sedation)
• are pregnant or plan to become pregnant. Wegovy^® may harm your unborn baby. You should stop using Wegovy^® 2 months before you plan to become pregnant
• are breastfeeding or plan to breastfeed. Breastfeeding is not recommended during treatment with Wegovy^® tablets. It is not known if Wegovy^® when received through an injection passes into your breast milk
  

Tell your healthcare provider about all the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements. Wegovy^® may affect the way some medicines work and some medicines may affect the way Wegovy^® works. Tell your healthcare provider if you are taking other medicines to treat diabetes, including sulfonylureas or insulin. Wegovy^® slows stomach emptying and can affect medicines that need to pass through the stomach quickly.

Wegovy^® may cause serious side effects, including:

• inflammation of your pancreas (pancreatitis). Stop using Wegovy^® 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 nausea or vomiting. Sometimes you may feel the pain from your abdomen to your back
• gallbladder problems. Wegovy^® 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), especially those who also take medicines for diabetes such as insulin or sulfonylureas. This can be a serious 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 Wegovy^®. 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
• dehydration leading to kidney problems. Diarrhea, nausea, and vomiting may cause a loss of fluids (dehydration), which may cause kidney problems. It is important for you to drink fluids to help reduce your chance of dehydration. Tell your healthcare provider right away if you have nausea, vomiting, or diarrhea that does not go away
• severe stomach problems. Stomach problems, sometimes severe, have been reported in people who use Wegovy^®. Tell your healthcare provider if you have stomach problems that are severe or will not go away
• serious allergic reactions. Stop using Wegovy^® 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. Wegovy^® 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
• food or liquid getting into the lungs during surgery or other procedures that use anesthesia or deep sleepiness (deep sedation). Wegovy^® may increase the chance of food getting into your lungs during surgery or other procedures. Tell all your healthcare providers that you are taking Wegovy^® before you are scheduled to have surgery or other procedures

The most common side effects of Wegovy^® may include: nausea, diarrhea, vomiting, constipation, stomach (abdomen) pain, changes in skin sensations, headache, tiredness (fatigue), upset stomach, dizziness, feeling bloated, belching, low blood sugar in people with type 2 diabetes, gas, stomach flu, heartburn, and hair loss.