DrugABC

UK medicines information — general guidance, not personalised advice.

Liraglutide

Liraglutide is a GLP-1 receptor agonist given by injection. In the UK different brands and doses are licensed for type 2 diabetes and, separately, for weight management in selected adults — use only the preparation and indication your prescriber chose.

This medicine is part of the Diabetes medicines category.

Generic name: liraglutide

Quick answers

Short replies to searches people often run before speaking to a clinician. For the overview of what the medicine is used for, see the short summary under the page title above.

  • What is it for?

    Liraglutide is a GLP-1 receptor agonist given by injection.

  • How long does it take to work?

    Onset varies by condition and dose. Your GP or pharmacist can explain what to expect and when to review.

  • What are common side effects?

    Nausea, vomiting, constipation or diarrhoea, and injection site reactions are common early on.

  • Can you take paracetamol or ibuprofen with it?

    Ask your GP or pharmacist before taking Liraglutide with paracetamol or ibuprofen. Many adults use paracetamol for short periods when appropriate; NSAIDs such as ibuprofen need extra checks with your other medicines and health conditions.

More about what Liraglutide is used for

Liraglutide is a GLP-1 receptor agonist given by injection. In the UK different brands and doses are licensed for type 2 diabetes and, separately, for weight management in selected adults — use only the preparation and indication your prescriber chose.

It is not the same product plan as Ozempic brands; do not switch brands yourself.

How does Liraglutide work, and how long does it take to work?

It mimics incretin effects, increasing insulin when glucose is high, slowing stomach emptying, and reducing appetite in many people.

Nausea is common early and often improves.

How and when should you take Liraglutide?

Inject subcutaneously as trained — usually daily for liraglutide. Rotate injection sites.

Start with low doses and increase gradually per schedule to reduce nausea.

What are the common side effects of Liraglutide?

Nausea, vomiting, constipation or diarrhoea, and injection site reactions are common early on.

Gallbladder problems can occur — report severe upper abdominal pain.

Serious side effects of Liraglutide — when to get urgent help

Seek urgent help for severe abdominal pain with vomiting (pancreatitis), allergic swelling, or symptoms suggesting gallstones.

Thyroid tumour history with medullary carcinoma or MEN2 is a contraindication in product information.

What if you miss a dose of Liraglutide?

If you miss a day, follow the manufacturer missed-dose advice — often skip if close to next injection. Do not double doses.

Who should not take Liraglutide?

Personal or family medullary thyroid carcinoma, MEN2, pregnancy (for weight brands), and severe GI disease need individual decisions.

History of pancreatitis needs caution.

Can you take paracetamol or ibuprofen with Liraglutide? — other interactions

Other diabetes drugs increase hypo risk — insulin or sulphonylurea doses may be reduced when starting GLP-1 therapy.

Liraglutide in pregnancy and breastfeeding

Discuss with your prescriber — diabetes use in pregnancy is individually judged; weight-loss brands are not appropriate in pregnancy.

Blood tests and monitoring on Liraglutide

HbA1c, weight, blood pressure, pulse, and diabetes complication screening continue.

What might your GP prescribe instead of Liraglutide?

Ozempic, dulaglutide, SGLT2 inhibitors, or insulin may be discussed depending on goals.

Reviewed by UK registered pharmacists

Reviewed by UK registered pharmacists for accuracy and clarity. Content is informational only.

Professional registration
GPhC registration number: [placeholder — to be added when verified]
Last reviewed

Frequently asked questions about Liraglutide

People also ask — common Google searches

What is Liraglutide used for?
Liraglutide is a GLP-1 receptor agonist given by injection. In the UK different brands and doses are licensed for type 2 diabetes and, separately, for weight management in selected adults — use only the preparation and indication your prescriber chose.
How long does Liraglutide take to work?
Onset varies by condition and dose. Your GP or pharmacist can explain what to expect and when to review. Always follow your prescriber’s follow-up plan.
Can you take Liraglutide with paracetamol or ibuprofen?
Ask your GP or pharmacist before taking Liraglutide with Paracetamol or Ibuprofen. Many adults use paracetamol for short periods when appropriate; NSAIDs such as ibuprofen need extra checks with your other medicines and health conditions.
What are the side effects of Liraglutide?
Nausea, vomiting, constipation or diarrhoea, and injection site reactions are common early on. Gallbladder problems can occur — report severe upper abdominal pain. See the sections below for more detail, including serious side effects and when to seek urgent help.
Is Victoza the same as Saxenda?
Both contain liraglutide but are licensed for different purposes and doses. Do not use interchangeably without a new prescription and training.
Why do I feel sick on liraglutide?
GLP-1 drugs slow stomach emptying. Nausea often improves over weeks; eating smaller meals and titrating slowly helps — speak to your prescriber if it persists.

Need personalised advice?

Your local pharmacist or GP surgery can help with questions about your medicines, side effects, and alternatives that may be suitable for you.

Links open the NHS website for finding services. DrugABC does not sell prescription-only medicines or replace clinical care.

Often used with

People searching for Liraglutide often read about these medicines too — for example when treatments are combined under GP or specialist care. This is not a prescribing suggestion.

You may also find these informational pages helpful. Each link opens a full guide on DrugABC. Your prescriber decides what is appropriate for you.