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How Long Does a Wegovy Pen Last?

If you're exploring options for weight loss or obesity management and have been considering the use of a Wegovy Pen, you may be asking, 'How long does a Wegovy Pen last?'

This article delves into this critical question, concentrating on the number of doses available in a single pen and how your prescribed dosage influences its longevity. Grasping the nuances of dosage effectiveness is vital for achieving your weight management goals. So, let's get started.

Dosage longevity varies with each pen, depending on whether you are starting or maintaining the treatment. It's important to consult your healthcare provider for advice tailored to your specific medical condition.


Do All Colour-Coded Pens Have the Same Dosage?

No, different colour-coded pens have different dosages. For example, the starting dose and maintenance dose pens are colour-coded differently. This variation affects how long the pen will last.

Impact of ‘Increased Dose’

If your healthcare provider prescribes an increased dose, the pen may not last as long as it would on a standard dosage regimen. According to a study published in the National Library of Medicine, adjusting the dose can influence the longevity of the pen.

How Long Should the First Wegovy Pen Last Me?

Each Wegovy dose comes in a colour-coded pen, and each pen is prefilled with 4 doses. As confirmed by the official patient information leaflet (PIL), this means each pen lasts 4 weeks.

How Long Does a Wegovy Pen Last at the ‘Maintenance Dose’?

The maintenance dose pen is colour-coded in black and contains 4 prefilled doses, as confirmed by EMC. So, each maintenance dose pen should last you 4 weeks.

How Quickly Wegovy Pen Needles Should be Disposed

Generally, it takes a short time to change the needle, ensuring that your medication process is not interrupted. Be sure to dispose of the used needles properly to maintain hygiene.

How Many Wegovy Pens Will I Need?

To reach the maintenance dose, you will need 5 pens in total. You will then need 1 pen every 4 weeks containing the maintenance dose.

When to Request the Next Pen?

Once your current pen is finished, it's advisable to request the next one well in advance to avoid any breaks in your treatment.


In summary, the longevity of a Wegovy Pen depends on various factors like the type of dose and any increased dosage prescribed by your healthcare provider. Typically, each pen lasts about 4 weeks. For personalised advice, it's vital to consult healthcare providers.

Authored & Reviewed By

Mohamed Imran Lakhi

MPharm - Lead Pharmacist
Imran Lakhi is the superintendent pharmacist and founder at Prescription Doctor. He has been at the core of our team.

Published on: 14/09/2023 Reviewed on: 01/11/2023
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