Liraglutide
Liraglutide · Say it: LIR-a-GLOO-tide
An injected medicine, used with diet and exercise, to help improve blood sugar in adults and children aged 10 and older with type 2 diabetes.
Brand names: SaxendaVictoza
⬛ Boxed warning (the FDA's strongest warning)
The boxed warning is about a risk of thyroid C-cell tumors. In studies in rats and mice, liraglutide caused thyroid C-cell tumors, including malignant ones, at clinically relevant exposures. It is not known whether liraglutide causes these tumors, including medullary thyroid carcinoma (MTC), in humans. Liraglutide must not be used if you or anyone in your family has had MTC, or if you have Multiple Endocrine Neoplasia syndrome type 2 (MEN 2). Your provider should discuss this risk with you and tell you about symptoms of thyroid tumors, such as a lump or swelling in the neck, trouble swallowing, shortness of breath, or hoarseness that does not go away. The label says routine blood calcitonin tests or thyroid ultrasounds are of uncertain value for finding MTC early.
Used for
The label says liraglutide is used along with diet and exercise to improve blood sugar (glycemic control) in adults and in children aged 10 years and older with type 2 diabetes mellitus. The label says it is not known if it is safe and effective for lowering blood sugar in children under 10.
Comes as
Prefilled, single-patient-use pen containing 18 mg per 3 mL (6 mg per mL) of clear, colorless solution, delivering doses of 0.6 mg, 1.2 mg, or 1.8 mg
Common side effects
Nausea (feeling sick to your stomach), Diarrhea, Vomiting
| Generic name | Liraglutide |
|---|---|
| Brand names | Saxenda, Victoza |
| Type of medicine | a GLP-1 receptor agonist, a type of medicine that acts like a natural gut hormone called GLP-1 to help lower blood sugar |
| How it is sold | Injection (prefilled pen) given under the skin |
| Comes as | Prefilled, single-patient-use pen containing 18 mg per 3 mL (6 mg per mL) of clear, colorless solution, delivering doses of 0.6 mg, 1.2 mg, or 1.8 mg |
| Route | subcutaneous |
| Boxed warning | Yes, see below |
| Label date | 2026-07-27 |
💊 What is Liraglutide used for?
- The label says liraglutide is used along with diet and exercise to improve blood sugar (glycemic control) in adults and in children aged 10 years and older with type 2 diabetes mellitus. The label says it is not known if it is safe and effective for lowering blood sugar in children under 10.
How it works
The label describes liraglutide as an analog of human GLP-1, a hormone the body makes. It stimulates insulin release when blood glucose is high. The label also says it delays gastric emptying, which means food leaves the stomach more slowly.
How it is usually taken
- The label says to use liraglutide exactly as your healthcare provider tells you, and to read the Instructions for Use that come with it. It is injected under the skin of the stomach (abdomen), thigh, or upper arm, once each day at any time of day, with or without food. It must not be injected into a muscle or a vein. The label says to change the injection site with each shot, and to inspect the solution before each injection: it should be clear and colorless with no particles. If you use it with insulin, the label says to give separate injections and never mix them. Your provider should show you how to use the pen before your first use.
Comes as
- Prefilled, single-patient-use pen containing 18 mg per 3 mL (6 mg per mL) of clear, colorless solution, delivering doses of 0.6 mg, 1.2 mg, or 1.8 mg
⚠️ Liraglutide side effects
Common side effects
- Nausea (feeling sick to your stomach)
- Diarrhea
- Vomiting
- Decreased appetite
- Indigestion (dyspepsia)
- Constipation
- Low blood sugar (hypoglycemia), which the label says is more likely when liraglutide is used with insulin or with insulin secretagogues such as sulfonylureas
Get medical help right away if
- Get medical help right away if you have severe pain in your stomach area (abdomen) that will not go away, with or without vomiting, or pain that may spread to your back. These may be signs of pancreatitis (inflammation of the pancreas). The label says to stop using liraglutide and call your provider right away.
- Get medical help right away if you notice a lump or swelling in your neck, hoarseness, trouble swallowing, or shortness of breath. The label says these may be symptoms of thyroid cancer.
- Get medical help right away if you have signs of a serious allergic reaction. The label lists serious hypersensitivity reactions, including anaphylactic reactions and angioedema. The label says to stop using liraglutide and promptly seek medical advice.
- Get medical help right away if you have severe low blood sugar. The label describes severe hypoglycemia as a risk, especially with insulin or sulfonylureas.
- Tell your provider right away if you have severe stomach problems. The label says severe gastrointestinal reactions, sometimes severe, have been associated with use, and liraglutide is not recommended in people with severe gastroparesis.
- Tell your provider if you have symptoms of gallbladder problems. The label says gallbladder studies are indicated if gallstones or inflammation of the gallbladder are suspected.
🛑 Who should not take Liraglutide, and who should be careful
The label says not to take it if
- You or any of your family have ever had medullary thyroid carcinoma (MTC).
- You have Multiple Endocrine Neoplasia syndrome type 2 (MEN 2).
- You have had a serious allergic reaction to liraglutide or any of its ingredients.
Tell your doctor before taking it if
- Tell your provider if you have any problems with your pancreas.
- Tell your provider if you have severe stomach problems, such as slowed stomach emptying (gastroparesis) or problems digesting food.
- Tell your provider if you are scheduled for surgery or any procedure that uses anesthesia or deep sedation. The label says pulmonary aspiration has been reported in people using GLP-1 receptor agonists during these procedures.
- Tell your provider if you are pregnant or plan to become pregnant, or if you are breastfeeding or plan to breastfeed.
- Tell your provider about all medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements.
- Talk with your provider about low blood sugar and how to manage it, especially if you take insulin or sulfonylureas.
- Keep a list of your medicines to show your provider and pharmacist.
🔀 Liraglutide with other medicines, food and alcohol
The label says to discuss these with your doctor or pharmacist
- Liraglutide delays gastric emptying and may affect how well some oral medicines are absorbed. The label says that in studies it did not affect the tested oral medicines to a clinically relevant degree, but caution is advised when oral medicines are taken with it.
- Taking liraglutide with an insulin secretagogue (such as a sulfonylurea) or with insulin may raise the risk of low blood sugar, including severe low blood sugar. The label says your provider may consider lowering the dose of these medicines when starting liraglutide.
- Do not mix insulin and liraglutide in the same injection. The label says you may inject them in the same body area, but not right next to each other.
- Do not use liraglutide together with other liraglutide-containing products. The label says this combination is not recommended.
- Liraglutide is not recommended for people who take other GLP-1 receptor agonists.
Alcohol and food
The label says liraglutide may be taken with or without food. The label does not give specific information about alcohol.
🤰 Liraglutide in pregnancy and breastfeeding
Pregnancy
The label says animal studies showed possible risks to the fetus, so liraglutide should be used during pregnancy only if the potential benefit justifies the potential risk. The label also notes that poorly controlled diabetes in pregnancy carries its own risks. It is not known whether liraglutide will harm an unborn baby, so tell your provider right away if you become pregnant while using it.
Breastfeeding
The label says it is not known whether liraglutide passes into human breast milk. In studies in lactating rats, liraglutide was present in milk. Your provider can help you decide the best way to feed your baby while using it.
🗓️ Storage, missed doses and taking too much
Storage
Before first use, the label says to store liraglutide pens in a refrigerator between 36 to 46 degrees F (2 to 8 degrees C). Do not store it in the freezer or directly next to the refrigerator cooling element. Do not freeze it, and do not use it if it has been frozen. The label says the pen you are using should be thrown away 30 days after you start using it. The label text provided is cut off in the section on storage after first use, so check the full label or ask your pharmacist.
If a dose is missed
The label says that if you miss a dose, you should take the missed dose at the next scheduled dose. Do not take two doses at the same time, and do not take an extra dose to make up for a missed one. The label text provided is cut off in the part about what to do if more than 3 days have passed, so check the full label or ask your pharmacist.
If too much is taken
The label says overdoses have been reported, with severe nausea, severe vomiting, and severe low blood sugar (hypoglycemia). If you take too much, the label says to call your healthcare provider, call the Poison Help line at 1-800-222-1222, or go to the nearest emergency room right away.
🗒️ Questions to ask about Liraglutide
🎯 Check what you understood
1. According to the label, how often is liraglutide injected?
2. What does the boxed warning say about thyroid tumors?
3. According to the label, what should you do if you miss a dose?
❓ Liraglutide: frequently asked questions
Can I use liraglutide if I have a family history of thyroid cancer?
The label says liraglutide must not be used if you or any of your family have ever had medullary thyroid carcinoma (MTC), or if you have Multiple Endocrine Neoplasia syndrome type 2 (MEN 2). Talk with your provider about your history.
Can children use liraglutide?
The label says liraglutide is used to improve blood sugar in children aged 10 years and older with type 2 diabetes. It is not known if it is safe and effective for children under 10.
Can I share my pen with someone else?
No. The label says not to share your pen with other people, even if the needle has been changed, because you may pass on or catch a serious infection.
Is it safe to use liraglutide with food?
The label says liraglutide may be taken with or without food. It is injected once daily at any time of day, independently of meals.
What should I tell my doctor before surgery?
The label says to tell your healthcare providers about any planned surgeries or procedures that use anesthesia or deep sedation. The label notes that pulmonary aspiration has been reported in people using GLP-1 receptor agonists during these procedures.
🧪 Tests and reports linked to Liraglutide
The label text mentions these. If you have one of these reports, get every line of it explained.
- HbA1c and glucose
a test or report linked to this medicine
- Metabolic panel (BMP, CMP)
a test or report linked to this medicine
- Kidney function tests
a test or report linked to this medicine
- Thyroid tests
a test or report linked to this medicine
- Culture and sensitivity
a test or report linked to this medicine
- Urinalysis
a test or report linked to this medicine
📖 Medical words used on this page
- Allergic reaction
An allergic reaction is when the immune system overreacts to something harmless, such as a medicine or food, causing symptoms from a rash to swelling.
- Anaphylaxis
Anaphylaxis is a severe, whole-body allergic reaction that comes on fast and is a medical emergency needing urgent help.
- Angioedema
Angioedema is swelling deep under the skin, often of the lips, face, tongue or throat. Swelling of the throat or tongue needs emergency help.
- Boxed warning
A boxed warning is the strongest safety warning on a US medicine label, printed in a box, about a serious or life-threatening risk.
- Edema
Edema is swelling caused by extra fluid trapped in the body's tissues, often in the feet, ankles and legs.
- Gastrointestinal
Gastrointestinal (GI) means relating to the digestive tract: the mouth, esophagus, stomach and intestines.
- Gastroparesis
Gastroparesis means the stomach empties into the gut more slowly than it should, without a blockage, causing nausea, fullness and bloating.
- GLP-1 receptor agonist
A GLP-1 receptor agonist is a medicine that copies a gut hormone to help control blood sugar, slow stomach emptying and reduce appetite.
- Hypersensitivity
Hypersensitivity means the immune system overreacts to something, such as a medicine. It covers allergic reactions from mild rash to severe reactions.
- Hypoglycemia
Hypoglycemia means blood sugar (glucose) has dropped too low. It can cause shakiness, sweating and confusion, and severe cases need urgent help.
- Inflammation
Inflammation is the body's response to injury or infection, causing redness, heat, swelling and pain as the immune system works to protect and repair.
- Malignant
Malignant means cancerous. A malignant growth can grow into nearby tissue and may spread to other parts of the body.
- Medullary thyroid carcinoma
Medullary thyroid carcinoma is a rare type of thyroid cancer that starts in the thyroid's C-cells, which make the hormone calcitonin.
- Metastasis
Metastasis means cancer cells have spread from where they started to another part of the body. The plural is metastases.
📖 Medical words on this page
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Explain my leafletDecode my prescription🔗 Trusted sources about Liraglutide
- Full official label on DailyMed ↗
US National Library of Medicine: the complete FDA label this page is based on
- Liraglutide on MedlinePlus ↗
US National Library of Medicine's patient drug information
- Liraglutide on the NHS website ↗
UK National Health Service medicine guide
Report a side effect or check safety alerts
- Report a side effect in the US (FDA MedWatch) ↗
- Report a side effect in the UK (Yellow Card) ↗
- FDA recalls and safety alerts ↗
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Source: official FDA drug label (label updated 2026-07-27). Read the full label on DailyMed
MedicDecode explains the official label in plain words. It is not medical advice and does not replace your doctor or pharmacist. Never start, stop or change a medicine because of what you read here.