Mounjaro Pen After 4 Doses - Disposal & Replacement UK

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Mounjaro Pen After 4 Doses - From £124.99

Replace your Mounjaro pen from £124.99 with £20 off first orders using code Weightlossnew.

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Our Pricing

Pricing Disclaimer: Prices on some pages may not be up to date — the live pricing table below and pricing shown during consultation are official current prices and take precedence over any other figures on the site.

Mounjaro (Tirzepatide)
Weeks 1–4

2.5mg

1 pen • 4 Weeks

£145 £124.99

£31.25 / Per Week

Your starting dose – designed to help your body adjust gently to treatment

⭐ Future Orders at £145
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Mounjaro (Tirzepatide)
Weeks 5–8

5mg

1 pen • 4 Weeks

£179 £159.00

£39.75 / Per Week

First step up – builds on your progress as your body adapts to treatment

⭐ Future Orders at £179
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Mounjaro (Tirzepatide)
Weeks 9–12

7.5mg

1 pen • 4 Weeks

£220 £200.00

£50.00 / Per Week

Mid-range dose – for continued progression and enhanced results

⭐ Future Orders at £220
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Mounjaro (Tirzepatide)
Weeks 13–16

10mg

1 pen • 4 Weeks

£245 £225.00

£56.25 / Per Week

Higher strength dose – supports significant weight loss progress

⭐ Future Orders at £245
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Mounjaro (Tirzepatide)
Weeks 17–20

12.5mg

1 pen • 4 Weeks

£270 £250.00

£62.50 / Per Week

Advanced dose – for patients requiring stronger therapeutic effect

⭐ Future Orders at £270
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Mounjaro (Tirzepatide)
Weeks 21+

15mg

1 pen • 4 Weeks

£287 £267.00

£66.75 / Per Week

Maximum dose – the highest available strength for optimal results

⭐ Future Orders at £287
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Wegovy (Semaglutide)
Weeks 1–4

0.25mg

1 pen • 4 Weeks

£89 £69.00

£17.25 / Per Week

Your starting dose – eases your body into treatment with minimal side effects

⭐ Future Orders at £89
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Wegovy (Semaglutide)
Weeks 5–8

0.5mg

1 pen • 4 Weeks

£109 £89.00

£22.25 / Per Week

First step up – continues building tolerance for long-term success

⭐ Future Orders at £109
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Wegovy (Semaglutide)
Weeks 9–12

1mg

1 pen • 4 Weeks

£119 £99.00

£24.75 / Per Week

Mid-range dose – where most patients start seeing meaningful results

⭐ Future Orders at £119
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Wegovy (Semaglutide)
Weeks 13–16

1.7mg

1 pen • 4 Weeks

£169 £149.00

£37.25 / Per Week

Higher strength – supports accelerated weight loss progress

⭐ Future Orders at £169
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Wegovy (Semaglutide)
Weeks 17+

2.4mg

1 pen • 4 Weeks

£199 £179.00

£44.75 / Per Week

Maximum dose – the highest available strength for optimal weight management

⭐ Future Orders at £199
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Wegovy (Oral Pill)
Weeks 1–4

1.5mg

1 pen • 4 Weeks

£83.00 £63.00

£20.75 / Per Week

Your starting dose – eases your body into treatment with minimal side effects

⭐ Future Orders at £83.00
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Wegovy (Oral Pill)
Weeks 5–8

4mg

1 pen • 4 Weeks

£110.00 £90.00

£27.50 / Per Week

First step up – continues building tolerance for long-term success

⭐ Future Orders at £110.00
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Wegovy (Oral Pill)
Weeks 9–12

9mg

1 pen • 4 Weeks

£140.00 £120.00

£35.00 / Per Week

Mid-range dose – where most patients start seeing meaningful results

⭐ Future Orders at £140.00
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Wegovy (Oral Pill)
Weeks 13+

25mg

1 pen • 4 Weeks

£199.00 £179.00

£49.75 / Per Week

Maximum dose – the highest available strength for optimal weight management

⭐ Future Orders at £199.00
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What Happens to Your Mounjaro Pen After 4 Doses?

Published: 10 September 2026

Understanding what to do with your mounjaro pen after 4 doses is essential for safe treatment continuation and proper medication disposal. Each Mounjaro KwikPen contains four pre-filled doses of tirzepatide, and once depleted, requires correct disposal and timely replacement to maintain your weight loss progress. Our UK-registered clinical team at Cured Pharmacy guides patients through every stage of their Mounjaro treatment journey, from initial prescription to ongoing pen replacement.

How the Mounjaro Pen After 4 Doses Works

The Mounjaro KwikPen is a pre-filled, single-patient-use injection device containing exactly four doses of tirzepatide at your prescribed strength (2.5mg, 5mg, 7.5mg, 10mg, 12.5mg, or 15mg). After administering your mounjaro pen after 4 doses, the device is completely empty and cannot be refilled or reused [1].

Each pen includes a dose counter window that displays the number of doses remaining. When the counter shows '0', your pen has delivered all four weekly injections and must be safely disposed of according to UK sharps waste guidelines. The SURPASS clinical trials demonstrated that consistent weekly dosing without interruption optimises tirzepatide's dual GIP/GLP-1 receptor agonist effects, making timely pen replacement critical for sustained weight loss [2].

Safe Disposal of Your Mounjaro Pen After 4 Doses

Proper disposal of your mounjaro pen after 4 doses protects both public health and the environment. The MHRA requires all used injection pens to be disposed of in a rigid, puncture-proof sharps container, which you can obtain free from your local pharmacy, GP surgery, or council waste facility [3].

Never place used Mounjaro pens in household rubbish or recycling bins. Once your sharps container is three-quarters full, seal it and return it to a designated collection point. Most UK pharmacies, including Cured Pharmacy's partner locations, accept sealed sharps containers for safe incineration. The needle should remain attached to the pen during disposal to prevent accidental needle-stick injuries.

UK Sharps Disposal Guidelines

Under UK pharmaceutical waste regulations, patients using injectable medications like Mounjaro must follow NHS sharps disposal protocols. Contact your local council to locate your nearest sharps disposal bin or pharmacy collection service. Some councils offer free home collection for patients on long-term injectable treatments, ensuring your mounjaro pen after 4 doses is handled safely without requiring travel [4].

Replacing Your Mounjaro Pen After 4 Doses

Timely replacement of your mounjaro pen after 4 doses ensures uninterrupted treatment and maintains the metabolic benefits achieved during your current dosing phase. At Cured Pharmacy, patients typically order their replacement pen when two doses remain in their current device, allowing for delivery before depletion.

Each replacement requires a brief clinical review by our UK-registered prescribers to assess your progress, side effect profile, and readiness for dose escalation if appropriate. Mounjaro treatment follows a structured dose escalation schedule: most patients start at 2.5mg weekly for four weeks, then increase to 5mg for four weeks, continuing upward as tolerated until reaching their maintenance dose [1]. Your replacement pen may contain the same strength or the next escalation level, depending on your individual treatment plan.

Ordering Replacement Pens from Cured Pharmacy

Cured Pharmacy streamlines the replacement process for your mounjaro pen after 4 doses with transparent pricing from £124.99 and free UK delivery. Our online consultation takes under three minutes, and our clinical team reviews your request within 24 hours on working days. New patients receive £20 off their first order using code Weightlossnew, making initial treatment more accessible whilst maintaining our commitment to UK-licensed, genuine tirzepatide.

Treatment Type Doses Per Pen Starting Price
Mounjaro Tirzepatide (GIP/GLP-1) 4 weekly doses from £145.00
Wegovy Injection Semaglutide (GLP-1) 4 weekly doses from £89.00
Saxenda Liraglutide (GLP-1) 30 daily doses from £68.00
Wegovy Oral Tablet Semaglutide (GLP-1) 28 daily tablets from £83.00

What Happens If You Miss Replacing Your Mounjaro Pen After 4 Doses

If you fail to replace your mounjaro pen after 4 doses and experience a gap in treatment, the impact depends on the duration of interruption. Missing one weekly dose (up to 4 days late) allows you to administer the missed dose as soon as possible, then resume your regular weekly schedule [5].

Gaps exceeding 5 days require clinical reassessment. Extended interruptions may necessitate restarting at a lower dose to minimise gastrointestinal side effects, as your body's adaptation to tirzepatide diminishes over time. In the SURPASS-2 trial, participants who maintained consistent weekly dosing achieved significantly greater HbA1c reduction and weight loss compared to those with irregular administration patterns [2]. Planning ahead for your mounjaro pen after 4 doses replacement prevents treatment interruptions that could compromise your weight loss progress.

Storing Your Mounjaro Pen After 4 Doses Until Disposal

Once you've used your mounjaro pen after 4 doses completely, store it safely out of reach of children and pets until you can dispose of it in a sharps container. Keep the pen cap on to prevent accidental needle exposure, and place it in a secure location away from food preparation areas.

Used pens should not be stored for extended periods. Aim to dispose of your empty mounjaro pen after 4 doses within one week of final use. If you accumulate multiple used pens before obtaining a sharps container, store them together in a rigid plastic container (such as a detergent bottle) as a temporary measure, ensuring the lid is tightly secured [3].

Temperature Considerations for Used Pens

While unused Mounjaro pens require refrigeration between 2-8°C, your mounjaro pen after 4 doses no longer contains active medication and does not need refrigeration before disposal. However, avoid exposing used pens to extreme heat or direct sunlight, as this could theoretically cause residual medication to degrade and leak. Store at room temperature in a dry location until sharps disposal is arranged.

Continuing Your Weight Loss Journey Beyond Your Mounjaro Pen After 4 Doses

Completing your mounjaro pen after 4 doses represents one month of treatment in a longer weight management programme. Clinical trials show tirzepatide's peak weight loss effects typically occur after 36-72 weeks of consistent use, with average reductions of 15-22.5% of initial body weight at the 15mg maintenance dose [6].

At Cured Pharmacy, our superintendent pharmacist Tarun Kumar (GPhC 2233073) and clinical team support patients throughout their entire tirzepatide journey, from initial 2.5mg pens through to maintenance therapy. We provide ongoing monitoring, side effect management guidance, and lifestyle modification support to optimise outcomes. Replacing your mounjaro pen after 4 doses promptly ensures you maintain therapeutic tirzepatide levels and continue progressing toward your weight loss goals.

Our transparent pricing model shows costs upfront—from £124.99 per pen—before you complete your consultation, eliminating surprise charges. With UK-licensed medications, discreet packaging, and prescriber oversight on every order, Cured Pharmacy offers the safest, most convenient pathway to continued Mounjaro treatment after your initial pen is depleted.

Scientific References

  1. Electronic Medicines Compendium. (2024). Mounjaro 2.5 mg solution for injection in pre-filled pen - Summary of Product Characteristics. Retrieved from https://www.medicines.org.uk/emc/product/14689 [accessed 10 September 2026]
  2. Frías, J. P., Davies, M. J., Rosenstock, J., Pérez Manghi, F. C., Fernández Landó, L., Bergman, B. K., ... & SURPASS-2 Investigators. (2021). Tirzepatide versus semaglutide once weekly in patients with type 2 diabetes. New England Journal of Medicine, 385(6), 503-515. [accessed 10 September 2026]
  3. Medicines and Healthcare products Regulatory Agency. (2023). Guidance on the safe disposal of medicinal waste. UK Government. Retrieved from https://www.gov.uk/government/publications/medicinal-waste-disposal [accessed 10 September 2026]
  4. National Health Service. (2024). How to dispose of used needles and syringes. NHS UK. Retrieved from https://www.nhs.uk/common-health-questions/accidents-first-aid-and-treatments/how-should-i-dispose-of-used-needles-or-sharps/ [accessed 10 September 2026]
  5. Eli Lilly and Company. (2024). Mounjaro (tirzepatide) injection: Prescribing information. US Food and Drug Administration. Retrieved from https://www.accessdata.fda.gov/drugsatfda_docs/label/2022/215866s000lbl.pdf [accessed 10 September 2026]
  6. Jastreboff, A. M., Aronne, L. J., Ahmad, N. N., Wharton, S., Connery, L., Alves, B., ... & SURMOUNT-1 Investigators. (2022). Tirzepatide once weekly for the treatment of obesity. New England Journal of Medicine, 387(3), 205-216. [accessed 10 September 2026]
  7. NHS. (2026). Tirzepatide: a medicine to manage type 2 diabetes and treat obesity. https://www.nhs.uk/medicines/tirzepatide/ Accessed 10 September 2026.
  8. NHS. (2026). Overweight and obesity in adults. https://www.nhs.uk/conditions/overweight-and-obesity/ Accessed 10 September 2026.
  9. NHS England. (2026). Weight management injections. https://www.england.nhs.uk/ourwork/prevention/obesity/medicines-for-obesity/weight-management-injections/ Accessed 10 September 2026.

Information on this page is for educational purposes only and is not medical advice. All prescription treatments require clinical assessment by a UK-registered prescriber. Always consult a qualified healthcare professional before starting any new medication.

Trusted by thousands

Real people, real results

Jane L.

"Brilliant. Lost 4 stone on mounjaro no side effects at all. Cured pharmacy are excellent. Always helpful pens sent out quickly always comes with needles and sterile wipes. If you want to go on GLP-1 go to cured pharmacy. So professional. Thank you cured pharmacy you changed my health and well being."

Ann-Marie

"I absolutely love this product, I have been using 2.5mg as maintenance dose and have managed to control my weight without any side effects and can still eat well balanced meals. The pharmacy is very efficient friendly and helpful I would not purchase from anywhere else."

Sacha W.

"So far I'm really impressed by my results it's crazy cause I'm not snacking like how I used to do and I see my face slimming down already and it's only been 2 and a half weeks. Can't wait to give my feedback in 5 months time thank you cured pharmacy."

Kimberly G.

"Mounjaro has corrected my hormonal weight gain during menopause. I am using it now to maintain that balance. The results for me have been exceptional!"

Jennifer

"Great really helps cure those nasty habits can't wait for my next mounjaro pen."

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Faq

Can I reuse my mounjaro pen after 4 doses?
No, each Mounjaro KwikPen is designed for single-patient use only and contains exactly four pre-filled doses. Once the dose counter shows '0', the pen is empty and must be safely disposed of in a sharps container—it cannot be refilled or reused.
How do I know when my mounjaro pen after 4 doses is empty?
The dose counter window on your Mounjaro pen displays the number of remaining doses. When it shows '0' after your fourth weekly injection, the pen is completely depleted and ready for disposal.
What happens if I don't replace my mounjaro pen after 4 doses on time?
Missing doses can reduce treatment effectiveness and may require restarting at a lower dose if the gap exceeds 5 days. Clinical trials show consistent weekly dosing optimises weight loss, so ordering your replacement pen when two doses remain prevents interruptions.
Where can I dispose of my mounjaro pen after 4 doses in the UK?
Dispose of used Mounjaro pens in a rigid sharps container available free from pharmacies, GP surgeries, or council facilities. Return sealed containers to designated collection points—never place them in household bins.
Do I need a new prescription for my mounjaro pen after 4 doses replacement?
Yes, each replacement pen requires clinical review by a UK-registered prescriber to assess your progress and determine the appropriate strength. Cured Pharmacy's online consultation takes under three minutes, with prescriber review completed within 24 hours.
How much does a replacement mounjaro pen after 4 doses cost at Cured Pharmacy?
Replacement Mounjaro pens start from £124.99 with transparent pricing shown before consultation. New patients receive £20 off their first order using code Weightlossnew, with free discreet UK delivery included.
Can I travel with my mounjaro pen after 4 doses is empty?
While you can travel with an empty pen, it's safer to dispose of it properly before departure. If travelling with a used pen, keep it in a rigid container, maintain the pen cap on the needle, and dispose of it in a sharps bin at your destination.
Will my next mounjaro pen after 4 doses be a higher strength?
Possibly—Mounjaro follows a dose escalation schedule starting at 2.5mg and increasing every four weeks as tolerated. Your prescriber determines whether to escalate based on your weight loss progress, side effect profile, and clinical response during your replacement consultation.
Tarun Kumar, Prescribing Pharmacist

Medically reviewed by

Tarun Kumar, Prescribing Pharmacist (GPhC 2233073)

Last reviewed: 10 September 2026

Last updated on 10 September 2026.

Review History

Our experts continually monitor new findings in health and medicine, and we update our articles when new information becomes available.

Why this page was updated on 10 September 2026

Content checked and updated as part of our periodic review, to ensure accuracy and currentness.

Current version (10 September 2026)

Edited by: The Editorial Team

Medically reviewed by:

Tarun Kumar, GPhC No. 2233073, Prescribing Pharmacist


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