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Wegovy

Price range: £150.00 through £290.00

Wegovy is a once-weekly injectable prescription medicine for weight management in adults with obesity or overweight conditions.
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Wegovy (Semaglutide) Injectable Pen

Wegovy is an injectable medication containing semaglutide, a GLP-1 receptor agonist used in the clinical management of weight. It is administered once weekly by subcutaneous injection using a pre-filled pen device and is prescribed as part of a monitored clinical programme. This page provides factual product information only and does not constitute medical advice.

How Semaglutide Works

Semaglutide works by mimicking GLP-1, a hormone naturally produced in the gut after eating. It acts on receptors in the brain that regulate appetite and feelings of fullness. Wegovy is one of several treatment options that may be considered by your clinician as part of a medically supervised weight management programme.

Prescription and Dosing

Wegovy is only available on prescription. Your dose is determined entirely by your prescribing clinician based on your individual health profile and clinical assessment. Doses are typically started low and increased gradually over a number of weeks. Do not adjust your dose without first consulting your clinician.

How to Administer

Wegovy is injected once weekly under the skin, typically into the stomach, thigh, or upper arm. Full administration instructions are provided by your clinical team at the point of prescribing. If you have any concerns about self-administration, contact your clinical team before proceeding.

  • Inject once weekly on the same day each week
  • Rotate injection sites to avoid skin irritation
  • Store in a refrigerator between 2 and 8 degrees Celsius
  • Do not freeze
  • Dispose of used pens and needles in an approved sharps bin

Important Safety Information

Wegovy is a prescription-only medicine and must only be used as directed by your prescribing clinician. Do not share your medication with any other person. Common side effects can include nausea, vomiting, diarrhoea, and constipation, particularly during dose escalation. These typically reduce as your body adjusts. A full list of side effects and contraindications is provided in the patient information leaflet supplied with your medication.

Sharps Disposal

Used Wegovy pens and needles must be disposed of in an approved sharps bin. Never place used sharps in household waste or recycling. A yellow sharps bin is available to order alongside your medication.

Your Ongoing Care

All prescriptions issued through PrimeLife are part of a monitored clinical programme. Regular reviews are included in your care plan to track your progress, manage any side effects, and make clinical adjustments where appropriate.

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Directions

How to Use:

  • Inject Wegovy subcutaneously once a week, on the same day each week.

  • Administer in the abdomen, thigh, or upper arm.

  • Rotate injection sites with each dose.

  • Follow the dose escalation schedule as prescribed by your doctor.

Storage:

  • Store in a refrigerator (2°C to 8°C). Do not freeze.

  • After first use, pens can be stored at room temperature (up to 30°C) for up to 6 weeks.

  • Keep pens in the original carton to protect from light.

  • Keep out of reach of children.

Ingredients

Active Ingredient:

  • Semaglutide

Other Ingredients:

  • Disodium phosphate dihydrate

  • Sodium chloride

  • Hydrochloric acid or sodium hydroxide (for pH adjustment)

  • Water for injection

Side Effects

Common side effects:

  • Nausea

  • Diarrhoea

  • Vomiting

  • Constipation

  • Abdominal pain

  • Headache

  • Fatigue

Uncommon side effects:

  • Dizziness

  • Indigestion

  • Flatulence

  • Gastroesophageal reflux disease

Serious side effects (rare):

  • Pancreatitis

  • Gallbladder problems

  • Kidney problems

  • Allergic reactions

Seek immediate medical attention if you experience symptoms of a serious allergic reaction, such as swelling of the face, lips, tongue, or throat, difficulty breathing, or severe rash.

Warnings

Do not use Wegovy if you:

  • Are allergic to semaglutide or any of the ingredients.

  • Have a personal or family history of medullary thyroid carcinoma.

  • Have Multiple Endocrine Neoplasia syndrome type 2.

Use with caution if you:

  • Have a history of pancreatitis.

  • Have kidney or liver problems.

  • Are pregnant or planning to become pregnant.

  • Are breastfeeding.

Age Restrictions:

  • Not recommended for individuals under 18 years of age.

  • Some people begin noticing changes in appetite or weight within the first few weeks. However, significant weight loss usually takes a few months. For best results, keep using Wegovy consistently and follow your healthcare provider’s advice on diet and exercise.

  • Yes—Wegovy is designed to be used alongside a calorie-controlled diet and regular physical activity. These lifestyle changes help boost results and support long-term weight management.

  • Wegovy is intended for ongoing use in adults who benefit from it. As long as your doctor agrees it's helping and you’re not experiencing serious side effects, you can continue using it to support your weight loss and overall health goals.

  • If you miss a dose and it’s been less than 5 days, take it as soon as you remember. If it’s been more than 5 days, skip that dose and take the next one on your usual scheduled day. Never take two doses within 72 hours.

  • Not quite—both contain semaglutide, but Wegovy is specifically approved for weight management, while Ozempic is primarily used for type 2 diabetes. They have different dosing strengths and schedules, so they’re not interchangeable.

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