Patient Leaflet Updated 16-Jun-2026 | Novo Nordisk Limited
Wegovy 1.5 mg, 4 mg, 9mg and 25 mg tablets
wegovy® 1.5 mg tablets
wegovy® 4 mg tablets
wegovy® 9 mg tablets
wegovy® 25 mg tablets
semaglutide
▼This medicine is subject to additional monitoring. This will allow quick identification of new safety information. You can help by reporting any side effects you may get. See the end of section 4 for how to report side effects.
1. What wegovy® is and what it is used for
2. What you need to know before you use wegovy®
3. How to take wegovy®
4. Possible side effects
5. How to store wegovy®
6. Contents of the pack and other information
wegovy® is a medicine for weight loss and weight maintenance that contains the active substance semaglutide. It is similar to a natural hormone called glucagon-like peptide-1 (GLP-1) that is released from the intestine after a meal. wegovy® works by acting on receptors in the brain that control your appetite, causing you to feel fuller and less hungry and experience less craving for food. This will help you eat less food and reduce your body weight. wegovy® should be used with a reduced calorie meal plan and increased physical activity.
wegovy® is used for weight loss and weight maintenance in addition to diet and physical activity in adults, who have:
BMI (Body Mass Index) is a measure of your weight in relation to your height.
Do not take wegovy® if you are allergic to semaglutide or any of the other ingredients of this medicine (listed in section 6).
Talk to your doctor, pharmacist or nurse before using wegovy® or during treatment if you have:
If you know that you are due to have surgery where you will be under anaesthesia (sleeping), please tell your doctor that you are taking wegovy®.
wegovy® tablet is not recommended in children and adolescents under 18 years as the safety and effectiveness in this age group have not been established.
Tell your doctor, pharmacist or nurse if you are taking, have recently taken or might take any other medicines.
In particular, tell your doctor, pharmacist or nurse if you are using medicines containing the following:
If you are pregnant or breast-feeding, think you may be pregnant or are planning to have a baby, ask your doctor for advice before taking this medicine.
This medicine should not be used during pregnancy, as it is not known if it affects your unborn baby. Therefore, you have to use contraception while taking this medicine. If you wish to become pregnant, discuss how to change your treatment with your doctor as you should stop using this medicine at least 2 months in advance. If you become pregnant while using this medicine, talk to your doctor straight away, as your treatment will need to be changed.
Do not use this medicine if you are breast-feeding. The medicine passes into breast milk, and it is not known how it affects your baby.
wegovy® is unlikely to affect your ability to drive and use machines. Some patients may feel dizzy when taking wegovy® mainly during the first 3 months of treatment (see section 4). If you feel dizzy you should not drive or operate machines until you feel better. If you need any further information, talk to your doctor, pharmacist or nurse.
For diabetics using this medicine in combination with a sulfonylurea or insulin, low blood sugar (hypoglycaemia) may occur which may reduce your ability to concentrate. Do not drive or use machines if you get any signs of low blood sugar. See section 2, ‘Warning and precautions’ for information on increased risk of low blood sugar and section 4 for the warning signs of low blood sugar. Talk to your doctor for further information.
The 1.5 mg, 4 mg and 9 mg tablets contain less than 1 mmol sodium (23 mg) per tablet, that is to say essentially ‘sodium-free’.
The 25 mg tablets contain 23 mg sodium (main component of cooking/table salt) in each tablet. This is equivalent to 1% of the recommended maximum daily dietary intake of sodium for an adult.
Always take this medicine exactly as your doctor has told you. Check with your doctor, pharmacist or nurse if you are not sure.
Your treatment will start at a low dose which will be gradually increased over 4 months of treatment.
Usually, you will be told to follow as below:
Your doctor will assess your treatment on a regular basis. You should not take two tablets to get the effect of a higher dose.
Tell your doctor if you have type 2 diabetes. Your doctor may adjust the dose of your diabetes medicines to prevent you from getting low blood sugar.
Talk to your doctor straight away. You may get side effects such as feeling sick (nausea).
If you forget to take a dose, skip the missed dose and just take your normal dose the next day.
Do not stop using this medicine without talking to your doctor. If you have any further questions on the use of this medicine, ask your doctor, pharmacist or nurse.
Like all medicines, this medicine can cause side effects, although not everybody gets them.
Common: may affect up to 1 in 10 people
Uncommon: may affect up to 1 in 100 people
Rare: may affect up to 1 in 1,000 people
Very rare (may affect up to 1 in 10,000 people)
Not known (frequency cannot be estimated from the available data)
Very common: may affect more than 1 in 10 people
These usually go away over time.
Common: may affect up to 1 in 10 people
The warning signs of low blood sugar may come on suddenly. They can include: cold sweat, cool pale skin, headache, fast heartbeat, feeling sick (nausea) or very hungry, changes in vision, feeling sleepy or weak, feeling nervous, anxious or confused, difficulty concentrating or shaking.
Your doctor will tell you how to treat low blood sugar and what to do if you notice these warning signs.
Low blood sugar is more likely to happen if you also take a sulfonylurea or insulin. Your doctor may reduce your dose of these medicines before you start using this medicine.
Uncommon: may affect up to 1 in 100 people
If you get any side effects, talk to your doctor, pharmacist or nurse. This includes any possible side effects not listed in this leaflet. You can also report side effects directly via the Yellow Card Scheme at: https://yellowcard.mhra.gov.uk/ or search for MHRA Yellow Card in the Google Play or Apple App Store. By reporting side effects, you can help provide more information on the safety of this medicine.
Keep this medicine out of the sight and reach of children.
Do not use this medicine after the expiry date which is stated on the blister and carton after ‘EXP’. The expiry date refers to the last day of that month.
Store in the original package in order to protect from light and moisture. This medicine does not require any special temperature storage conditions.
Do not throw away any medicines via wastewater or household waste. Ask your pharmacist how to throw away medicines you no longer use. These measures will help protect the environment.
wegovy® 1.5 mg tablets are white to light yellow and round (6.5 mm in diameter). They have ‘1.5’ on one side and ‘novo’ on the other side.
wegovy® 4 mg tablets are white to light yellow and round (6.5 mm in diameter). They have ‘4’ on one side and ‘novo’ on the other side.
wegovy® 9 mg tablets are white to light yellow and round (6.5 mm in diameter). They have ‘9’ on one side and ‘novo’ on the other side.
wegovy® 25 mg tablets are white to light yellow and oval shaped (6.8 mm x 12 mm). They have ‘25’ on one side and ‘novo’ on the other side.
The 1.5 mg, 4 mg, 9 mg and 25 mg tablets are available in alu/alu blister cards in pack sizes of 10, 30 and 90 tablets.
Not all pack sizes may be marketed in your country.
This leaflet was last revised in 06/2026
wegovy® is a trademark owned by Novo Nordisk A/S, Denmark
© 2026
Novo Nordisk A/S
3 City Place, Beehive Ring Road, Gatwick, West Sussex, RH6 0PA
+44 (0)1293 613535
+44 (0)800 023 2573
http://www.novonordisk.co.uk
+44 (0)1293 613555
+44 (0)800 023 2573