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Quick summary

Type of medicine

GLP-1 receptor agonist



Active Ingredient


Effective within

Within a few weeks.

Works by

Decreasing hunger and increasing feelings of fullness.

Side effects

Nausea, diarrhea, hypoglycemia (low blood sugar), stomach discomfort, and gastrointestinal upset.

Medication details

Wegovy is an injectable pen made by Novo Nordisk that can help with weight loss. It's a prescription medication for adults who have obesity or are overweight and have at least one weight-related health issue. Wegovy has a special ingredient called semaglutide that can help you feel full and reduce your appetite. You only need to use the pen once a week, which is easy and convenient. In clinical studies, Wegovy has been shown to help people lose weight and improve their overall health. To get the most benefit from Wegovy, it should be used along with a healthy diet and exercise plan.

Wegovy is typically administered through a subcutaneous injection, meaning it's injected under the skin, usually once a week at the same time for consistency. The injection can be given in the abdomen, thigh, or upper arm, and the dosage varies depending on individual factors such as weight and response to treatment, determined by your assigned prescriber. Wegovy is to be used alongside a reduced-calorie diet and increased physical activity as directed by clinical prescriber for optimal results.


The main ingredient in Wegovy is semaglutide. Semaglutide is a glucagon-like peptide-1 (GLP-1) receptor agonist. This means it mimics the action of natural hormones that regulate appetite and food intake in the body. GLP-1 receptor agonists work by reducing hunger and increasing feelings of fullness, leading to decreased food intake and, consequently, weight loss. Semaglutide is administered via injection and is designed to be used alongside a reduced-calorie diet and increased physical activity for the management of obesity or overweight in adults with certain weight-related medical conditions.

Side Effects

Some common side effects of Wegovy (semaglutide) may include gastrointestinal symptoms such as nausea, vomiting, diarrhea, and constipation. Additionally, other potential side effects may include abdominal pain, decreased appetite, fatigue, dizziness, and headache. It's important to note that not all individuals may experience these side effects, and some may experience none at all.


Wegovy comes with several warnings that users should be aware of. Firstly, it has been associated with an increased risk of pancreatitis, so patients experiencing severe abdominal pain should seek medical attention. Additionally, there's a potential risk of thyroid tumors, particularly in those with a history of thyroid cancer or a genetic predisposition. Patients should also be cautious about hypoglycemia, as Wegovy may lower blood sugar levels. Kidney function should be monitored regularly, especially in individuals with pre-existing kidney disease. Injection site reactions are possible, and pregnant or breastfeeding women should consult healthcare providers before using Wegovy due to its unknown effects in these populations.

Medically reviewed and published

  • This page was medically reviewed by Dr Sohaib Imtiaz, Clinical Lead on Apr 18, 2024, 3:30 pm

How it works

Start a consultation for your condition, select a treatment option, and our in-house clinicians will review and prescribe if suitable. Expect your order within 1-3 working days.

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Please read our FAQs page to find out more.

Are there any dietary restrictions while taking Wegovy?

While there are no specific dietary restrictions with Wegovy, it's recommended to follow a reduced-calorie diet as advised by your healthcare provider to enhance weight loss efforts.

What should I do if I miss a dose of Wegovy?

If you miss a dose of Wegovy, take it as soon as you remember, and then continue with your regular dosing schedule. However, if it's almost time for your next dose, skip the missed dose and resume your normal schedule. Do not double dose to make up for a missed one.

Can I switch to Wegovy if I am already taking other weight loss medications?

Switching to Wegovy from other weight loss medications should be done under the guidance of a healthcare provider. Here are a few considerations:

Review Current Medications: A member of our clinical team will assess the medications you are currently taking to ensure there are no potential interactions or contraindications with Wegovy. This includes both prescription and over-the-counter medications.

Evaluate Medical History: Certain health conditions may affect the suitability of Wegovy for you. One of our clinicians will evaluate your overall health, including any pre-existing conditions like thyroid disorders, pancreatitis, or a history of severe gastrointestinal disease.

Gradual Transition: If found that switching to Wegovy is appropriate, our clinician may suggest a gradual transition from your current medication to Wegovy, in order to minimise any potential side effects or issues arising from abrupt changes in treatment.

Monitoring and Adjustments: After switching, close monitoring is important to observe how your body responds to Wegovy. Through our regular clinical check-ins we might adjust the dosage based on effectiveness and tolerability.

Always consult with your GP before making any changes to your medication regimen to ensure safety and effectiveness in your weight management strategy.

How long does it take to see noticeable results with Wegovy FlexTouch?

Results may vary from person to person. Some individuals may start experiencing weight loss within a few weeks of using Wegovy FlexTouch, while others may take longer. Consistency in medication use, combined with a healthy lifestyle, is key to achieving and maintaining weight loss.

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