Your Mounjaro price guide · October 2026

Are Eggy Burps a Side Effect of Mounjaro? (October 2026)

Clinically reviewed by Mahommed Zunaid Ayub Patel, Superintendent Pharmacist

Reviewed Last updated Next review

Burping is a listed common side effect of Mounjaro; the eggy smell is not named separately in the UK patient leaflet, so tell your prescriber about any new or lasting symptom.1 Mounjaro slows how quickly the stomach empties, and side effects are most likely when you start or move up a dose.1

£129.99/ 4 weeks
2.5 mg starting dose
One pen. Four weekly doses.

New customers£40 off your first order with code FIRST40. Standard price £169.99.

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The short, honest answer

Eggy burps are unpleasant but, for most people, a passing digestive effect rather than a danger sign.

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  • GPhC-registered pharmacy 9012878
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Compare UK Mounjaro Prices

Prices checked 11 October 2026

Published UK provider Mounjaro prices for the 2.5mg, 5mg, 7.5mg, 10mg, 12.5mg, 15mg doses, checked 11 October 2026.
Provider2.5mg5mg7.5mg10mg12.5mg15mgNotes
£40 off first order£129.99First orderReorders £144.99£178.99First orderReorders £193.99£239.99First orderReorders £254.99£250.99First orderReorders £265.99£279.99First orderReorders £294.99£289.99First orderReorders £304.99Consultation and next-day tracked delivery included
Boots Online Doctor£179.00£199.00£259.00£299.00£319.00£339.00Free click & collect; cold-chain home delivery chargeable
Asda Online Doctor£148.97£188.97£248.97£278.97£287.47£298.97Refrigerated delivery from £4.50; free click & collect
MedExpress£179.99£189.99£249.99£279.99£299.99£309.99Delivery £2.90 to £3.95; new-customer discount at checkout
Simple Online Pharmacy£169.00£199.99£259.99£279.99£299.99£319.99Delivery £4.99 per order
Oxford Online Pharmacy£143.96£188.96£248.96£278.96£288.96£309.95Free consultation; cold delivery £5.49
Chemist4U£148.00£188.00£248.00£278.00£288.00£298.00Consultation included; free temperature-controlled delivery
Chemist Click£163.99£173.99£232.99£259.99£279.99£299.49Cold-chain delivery charged; £20 off with code
Click Pharmacy£169.99£189.99£239.99£269.99£289.99£299.99Free assessment; delivery £3.50 to £7.95
Medino£147.99£169.99£249.99£269.99£299.99£319.99Consultation and delivery included

Prices collected weekly from each provider's published price list.

A quick overview

What to know
before you start.

  • Burping is listed as a common Mounjaro side effect; the eggy smell is not named separately in the patient leaflet.
  • Side effects are most likely when you start or increase a dose, and most ease within days to a few weeks.
  • Smaller, slower, plainer meals and staying upright after eating are the practical first steps.
  • Severe or persistent stomach pain needs medical help straight away; if you cannot keep fluids down, get medical help straight away.
  • Most digestive effects ease within days to a few weeks as your body adjusts.
In this guide

01 · The core answer

Are eggy burps a Mounjaro side effect?

Yes, in the sense that burping is a recognised common side effect. The product information lists it alongside indigestion, reflux, reduced appetite and dizziness: Common effects (up to 1 in 10) include indigestion, reduced appetite, dizziness, reflux, burping, hair shedding and injection-site reactions.1

The eggy smell is not named as a separate effect in the leaflet; tell your prescriber about any new or lasting symptom. Our guide on whether Mounjaro causes eggy burps covers the same ground from another angle.

02 · Your next step

What should you do about it?

If the burps are mild, start with smaller, slower, plainer meals and stay upright after eating; these are the same steps recommended for other digestive effects. If they are frequent, painful or paired with vomiting, tell your prescriber, who can hold your current dose for longer before stepping up. For severe, persistent stomach pain, get medical help straight away.1

Related guide: Are sulphur burps a side effect of mounjaro.

03 · Why it happens

Why eggy burps may happen on Mounjaro

Tirzepatide activates GIP and GLP-1 receptors, which helps regulate appetite and slows how quickly the stomach empties.1

For a deeper look, see what causes eggy burps on Mounjaro and why you get them.

04 · What helps

What helps with eggy burps

Practical steps for digestive effects: eat smaller meals slowly, stop at the first feeling of fullness, favour plain lower-fat foods while adjusting, stay well hydrated, and avoid lying down straight after eating.1

  • Slow down and stop when you first feel full.
  • Keep meals plain and lower in fat while your body adjusts.
  • Sip water through the day.
  • Stay upright after meals.

There is no instant cure. Our step-by-step page on how to stop eggy burps on Mounjaro goes into more detail.

05 · How long they last

How long do they last?

For most people, digestive effects ease within days to a few weeks. They usually appear in the first days after starting or increasing a dose, peak early, and settle as the body adapts, which is why Mounjaro uses a gradual dose ladder.1

If a new dose is hard to tolerate, prescribers can hold the current dose longer before stepping up. Speak to your clinical team rather than pushing through severe symptoms.1

06 · When to seek help

When eggy burps are not just a nuisance

Seek immediate medical help for severe, persistent stomach pain that may spread to your back, with or without vomiting (possible pancreatitis); pain in the upper right abdomen, fever or yellowing of skin or eyes (possible gallbladder problems); or signs of a severe allergic reaction such as swelling of the face or throat and difficulty breathing.1

If nausea or vomiting is persistent or you cannot keep fluids down, contact your clinical team — dehydration needs prompt attention.1 You can also report any side effect through the Yellow Card scheme.19 More answers are in our eggy burps FAQ.

How ordering works

How ordering works at EverydayMeds

Three steps, with our pharmacy team alongside you.

  1. EverydayMeds online consultation on a mobile phone

    Step 1: Online consultation — 5–10 minutes

    Complete a confidential health questionnaire covering BMI, medical history and current medication. No payment is taken until you're approved.

  2. A clinician ready to review an online consultation

    Step 2: Prescriber review — usually same day

    A UK registered prescriber checks your suitability against the licensed criteria (BMI ≥30, or ≥27 with a weight-related condition) and contraindications, and confirms your starting dose.

  3. An EverydayMeds delivery box

    Step 3: Next-day tracked delivery

    Dispensed by our GPhC-registered pharmacy in temperature-controlled packaging with needles and a sharps bin included. Orders approved by 3pm for next-day tracked delivery.

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Prescription and dispatch follow clinical approval. Confirm current delivery options when ordering.

Afterwards you're not on your own: dose-change reviews are built in before each step up, our pharmacist team is available for side-effect questions, and repeat orders re-check suitability rather than auto-shipping.

Your questions, answered

Mounjaro price UK — frequently asked questions

Answers to common questions about Mounjaro prices, NHS access and ongoing treatment.

Ask our pharmacy team
How can I stop Mounjaro sulphur burps?
Eat smaller meals slowly, stop at the first feeling of fullness, favour plain lower-fat foods, stay hydrated and avoid lying down straight after eating. If burps persist or worsen after a dose increase, ask your prescriber about holding your current dose for longer.
What is the fastest way to cure sulphur burps?
There is no instant cure. The quickest relief usually comes from eating less per sitting, eating slowly, choosing plain lower-fat foods and staying upright after meals. For most people digestive effects ease within days to a few weeks as the body adjusts, so persistent symptoms are worth raising with your prescriber.
What are the most common side effects of Mounjaro?
Most are digestive. The most common, affecting more than 1 in 10 people, are nausea, diarrhoea, vomiting, constipation and abdominal discomfort. Burping, reflux and indigestion are listed as common. They are most likely when starting or increasing a dose, and usually ease within days to a few weeks.
What foods should I avoid on Mounjaro to avoid diarrhoea?
Favour plain, lower-fat foods while your body adjusts, eat smaller meals slowly and stay well hydrated. If diarrhoea is persistent or you cannot keep fluids down, contact your clinical team — dehydration needs medical help straight away.
Is the first week of Mounjaro the worst?
Often the early days are when side effects show, but not always the only time. They typically appear in the first days after starting or after a dose increase, peak early, then settle as your body adapts. Expect a similar pattern after each step up the dose ladder.
What happens when you stop Mounjaro?
Tirzepatide has a half-life of about five days, so it takes roughly four to five weeks to clear the system after a final dose. There is no way to speed this up and nothing needs doing while it clears. Mounjaro manages weight; it does not cure the biology behind it. In SURMOUNT-4, people who stopped tirzepatide after 36 weeks regained on average 14% of body weight over the following year, while those who continued treatment lost a further 5.5% on average. Stopping should always be planned with your prescriber, with diet and activity habits ready to carry the load.
What are the long-term side effects of Mounjaro?
Most listed side effects are digestive and tend to appear when starting or increasing a dose, then settle. Hair shedding is linked to rapid weight loss itself and usually settles as weight stabilises. For personal long-term questions, discuss them with your prescriber, and report anything new through the Yellow Card scheme.
Which is safer, Mounjaro or Ozempic?
Ozempic is licensed for type 2 diabetes only, and prescribing it for weight loss is off-label; the licensed weight-management options are Mounjaro and Wegovy. Which suits you depends on your health profile, tolerance and prescriber advice. A GPhC-registered prescriber reviews each consultation, so ask them to compare options for you.
Mahommed Zunaid Ayub Patel, Superintendent Pharmacist at EverydayMeds

Clinically reviewed by

Mahommed Zunaid Ayub Patel

Superintendent Pharmacist

Accountable for the safe running of our registered pharmacy — from dispensing checks to delivery.

GPhC registration no. 2217101 · check the GPhC register

Reviewed
Last updated
Next review

How we source our information

How we source our information: every clinical statement on this page is drawn from the sources below. Our prices are shown live from our pharmacy's product listings, and competitor prices show the date they were collected.

Sources — 2 references
  1. Mounjaro KwikPen — Summary of Product Characteristics (SmPC), electronic medicines compendium (EMC), 2026
  2. MHRA Yellow Card scheme — report a side effect

EverydayMeds is operated by OVIO Ltd · GPhC-registered pharmacy 9012878 · Registered premises, Leicester · Superintendent Pharmacist: Mahommed Zunaid Ayub Patel