What are some things I need to know or do while I take this drug? For all uses of this drug: • Tell all of your health care providers that you take this drug. This includes your doctors, nurses, pharmacists, and dentists. • Talk with your doctor before you drink alcohol. • Kidney problems have happened. Sometimes, these may need to be treated in the hospital or with dialysis. • Gallbladder problems have happened. Sometimes, people had to be treated in the hospital. In some cases the gallbladder had to be removed. Discuss any questions with the doctor. • If you cannot drink liquids by mouth or if you have upset stomach, throwing up, or diarrhea that does not go away, you need to avoid getting dehydrated. Contact your doctor to find out what to do. Dehydration may lead to low blood pressure or to new or worsening kidney problems. • This drug may prevent other drugs taken by mouth from getting into the body. If you take other drugs by mouth, you may need to take them at some other time than this drug. Talk with your doctor. • Do not share pen or cartridge devices with another person even if the needle has been changed. Sharing these devices may pass infections from one person to another. This includes infections you may not know you have. • If you will be having any surgery or procedure, talk with your doctor. This drug may raise the risk of food getting into the lungs during surgery or other procedures that use anesthesia or deep sedation. You may need to stop this drug before these types of surgery or procedures. • Tell your doctor if you are breast-feeding. You will need to talk about any risks to your baby. If using for high blood sugar: • Wear disease medical alert ID (identification). • Do not drive if your blood sugar has been low. There is a greater chance of you having a crash. • Check your blood sugar as you have been told by your doctor. • It may be harder to control blood sugar during times of stress such as fever, infection, injury, or surgery. A change in physical activity, exercise, or diet may also affect blood sugar. If using for weight loss: • If you have high blood sugar (diabetes), you will need to watch your blood sugar closely. • Weight loss during pregnancy may cause harm to the unborn baby. If you get pregnant while taking this drug or if you want to get pregnant, call your doctor right away. What are some side effects that I need to call my doctor about right away? WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect: • Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat. • Signs of gallbladder problems like pain in the upper right belly area, right shoulder area, or between the shoulder blades; yellow skin or eyes; fever with chills; bloating; or very upset stomach or throwing up. • Signs of kidney problems like unable to pass urine, change in how much urine is passed, blood in the urine, or a big weight gain. • Dizziness or passing out. • Fast or abnormal heartbeat. • New or worse behavior or mood changes like depression or thoughts of suicide. • Slurred speech. • Low blood sugar can happen. The chance may be raised when this drug is used with other drugs for diabetes. Signs may be dizziness, headache, feeling sleepy or weak, shaking, fast heartbeat, confusion, hunger, or sweating. Call your doctor right away if you have any of these signs. Follow what you have been told to do for low blood sugar. This may include taking glucose tablets, liquid glucose, or some fruit juices. • Severe and sometimes deadly pancreas problems (pancreatitis) have happened with this drug. Call your doctor right away if you have severe stomach pain, severe back pain, or severe upset stomach or throwing up. What are some other side effects of this drug? All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away: If using for high blood sugar: • Constipation, diarrhea, upset stomach, throwing up, or decreased appetite. • Irritation where the shot is given. • Headache. • Nose or throat irritation. • Back pain. If using for weight loss: • Constipation, diarrhea, stomach pain, upset stomach, throwing up, or decreased appetite. • Irritation where the shot is given. • Headache. • Feeling tired or weak. These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects. You may report side effects to your national health agency. How is this drug best taken? Use this drug as ordered by your doctor. Read all information given to you. Follow all instructions closely. For all uses of this drug: • It is given as a shot into the fatty part of the skin on the top of the thigh, belly area, or upper arm. • If you will be giving yourself the shot, your doctor or nurse will teach you how to give the shot. • Move the site where you give the shot with each shot. • Take with or without food. • Drink lots of noncaffeine liquids unless told to drink less liquid by your doctor. • Do not use if the solution is cloudy, leaking, or has particles. • Do not use if solution changes color. • Wash your hands before and after use. • Prepare pen before first use as you have been told. You will also need to do this if you drop the pen. • This product may make a clicking sound as you prepare the dose. Do not prepare the dose by counting the clicks. Doing so could lead to using the wrong dose. • Remove all pen needle covers before injecting a dose (there may be 2). If you are not sure what type of pen needle you have or how to use it, talk with the doctor. • Keep taking this drug as you have been told by your doctor or other health care provider, even if you feel well. Throw away needles in a needle/sharp disposal box. Do not reuse needles or other items. When the box is full, follow all local rules for getting rid of it. Talk with a doctor or pharmacist if you have any questions. • Attach new needle before each dose. • Follow the diet and exercise plan that your doctor told you about. If using for high blood sugar: • If you are also using insulin, you may inject this drug and the insulin in the same area of the body but not right next to each other. • Do not mix this drug in the same syringe with insulin. What do I do if I miss a dose? • Skip the missed dose and go back to your normal time. • Do not take 2 doses at the same time or extra doses. • If you miss 3 days of this drug, call your doctor to find out what to do. How do I store and/or throw out this drug? All products: • Store unopened pens in a refrigerator. Do not freeze. • Do not use if it has been frozen. • Store opened pens at room temperature or in a refrigerator. Do not freeze. • After opening, throw away any part not used after 30 days. • Take off the needle after each shot. Do not store this device with the needle on it. • Protect from heat and light. • Keep the cap on the pen when not in use. • Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets. • Throw away unused or expired drugs. Do not flush down a toilet or pour down a drain unless you are told to do so. Check with your pharmacist if you have questions about the best way to throw out drugs. There may be drug take-back programs in your area. Victoza: • Throw away drug if stored at a temperature above 86°F (30°C). General drug facts • If your symptoms or health problems do not get better or if they become worse, call your doctor. • Do not share your drugs with others and do not take anyone else's drugs. • Some drugs may have another patient information leaflet. If you have any questions about this drug, please talk with your doctor, nurse, pharmacist, or other health care provider. • If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened. Consumer Information Use and Disclaimer: This generalized information is a limited summary of diagnosis, treatment, and/or medication information. It is not meant to be comprehensive and should be used as a tool to help the user understand and/or assess potential diagnostic and treatment options. It does NOT include all information about conditions, treatments, medications, side effects, or risks that may apply to a specific patient. It is not intended to be medical advice or a substitute for the medical advice, diagnosis, or treatment of a health care provider based on the health care provider's examination and assessment of a patient's specific and unique circumstances. Patients must speak with a health care provider for complete information about their health, medical questions, and treatment options, including any risks or benefits regarding use of medications. This information does not endorse any treatments or medications as safe, effective, or approved for treating a specific patient. UpToDate, Inc. and its affiliates disclaim any warranty or liability relating to this information or the use thereof. The use of this information is governed by the Terms of Use, available at https://www.wolterskluwer.com/en/know/clinical-effectiveness-terms. Last Reviewed Date 2025-02-20 Wolters Kluwer © 2025 UpToDate, Inc. and its affiliates and/or licensors. All rights reserved.