How to Use an Ozempic Pen for Weight Loss

21 November, 2025  |  Holy Winter - Healthcare Writer

How to Use an Ozempic Pen

Ozempic (Semaglutide) has become one of the most popular prescription treatments for weight loss and blood sugar management. Whether prescribed for type 2 diabetes or weight reduction, knowing how to properly use your Ozempic pen is essential for safe and effective results.

At iQ Doctor, we provide clinically approved weight loss injections similar to Ozempic and ensure patients have the guidance they need to use them correctly.

What Is an Ozempic Pen?

The Ozempic pen is a pre-filled, self-injectable device containing Semaglutide, a GLP-1 receptor agonist. It works by mimicking a natural hormone that regulates appetite and blood sugar levels.

Ozempic helps reduce hunger, slows digestion, and assists in achieving sustainable weight loss when used alongside a healthy diet and exercise routine.

Ozempic pens come in different strengths, including 0.25 mg, 0.5 mg, and 1 mg doses, depending on your treatment plan.

Step-by-Step Guide: How to Use an Ozempic Pen

Follow this guide to correctly use your Ozempic (Semaglutide) pen:

1. Check the Pen

• Confirm you have the correct Ozempic strength (e.g., 1mg).
• Ensure the pen is not damaged.
• Check the expiry date and inspect the liquid — it should be clear and colourless.

2. Attach a New Needle

• Remove the pen cap.
• Wipe the rubber seal with an alcohol swab.
• Attach a new disposable needle to the pen each time you inject.

3. Prime the Pen (First Use Only)

• Turn the dose selector to the flow check symbol (••).
• Hold the pen upright and press the dose button until a drop appears at the needle tip.

4. Select Your Dose

• Rotate the dose selector until the prescribed dose (e.g., 0.25 mg, 0.5 mg, or 1 mg) lines up with the pointer.

5. Inject the Dose

• Choose an injection site: abdomen, thigh, or upper arm.
• Clean the skin with an alcohol swab.
• Insert the needle into the skin at a 90-degree angle.
• Press and hold the dose button until the counter reaches “0,” then keep the pen in place for 6 seconds before removing.

6. Dispose of the Needle

• Carefully remove the needle and place it in a sharps disposal container.
• Replace the pen cap and store it at room temperature (below 30°C) or in the fridge if required.

Tips for Using Your Ozempic Pen

• Use Ozempic once a week on the same day each week.
• You can inject it with or without food.
• If you miss a dose, take it within 5 days; otherwise, skip it and continue as normal.
• Do not share your pen — it is prescribed for individual use only.

Common Side Effects

Like all weight loss injections , Ozempic may cause side effects such as:

• Nausea or vomiting
• Mild stomach discomfort
• Diarrhoea or constipation
• Fatigue or dizziness

These symptoms are usually mild and temporary as your body adjusts to Semaglutide. Contact your doctor if side effects persist or worsen.

Where to Safely Buy Ozempic Online

There are no licensed weight loss medications under the name Ozempic in the UK, instead, the same medication is called Wegovy.

You can safely order the UK-licensed version of Ozempic pens - that being Wegovy - online through iQ Doctor, a trusted UK-registered online pharmacy. Our licensed prescribers will review your consultation to ensure it is suitable for your weight loss or diabetes treatment plan.

iQ Doctor is a registered UK pharmacy that specialises in medical remedies for weight loss (including Wegovy and Mounjaro),erectile dysfunction,hair loss support and much more. Whether you require over-the-counter relief, or prescription-only medication, the experts at iQ Doctor can assist. Please get in touch if you need any further advice.

Also, be sure to keep in touch with iQ Doctor via our social media channels as well as keeping up to date with us by signing up to the mailing list.