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Mounjaro

Mounjaro: The Game-Changing Weight Loss Injection

If you’ve been searching for a weight loss solution that actually works, Mounjaro might be the breakthrough you’ve been waiting for. Recently approved for weight loss in the UK, this once-weekly Mounjaro injection is already making waves for its ability to reduce cravings, control appetite and help people feel fuller for longer – all while supporting healthy blood sugar levels.

Whether you’re struggling with emotional eating, hormonal weight gain or simply want to take control of your health, Mounjaro weight loss treatment offers a science-backed, prescription-only option that fits into your lifestyle.

What Is Mounjaro and How Does It Work?

Mounjaro injections contain tirzepatide, a powerful active ingredient that mimics two naturally occurring hormones – GLP-1 and GIP. These hormones help regulate appetite, slow down digestion and increase insulin production, making it easier to feel full and stay full, even while eating less.

By targeting both the brain and the gut, Mounjaro helps reduce food cravings and blood sugar spikes, which are often the root cause of weight gain. It’s also used to treat type 2 diabetes, offering dual benefits for those managing both weight and blood sugar.

Who Can Take Mounjaro for Weight Loss?

You may be eligible for Mounjaro weight loss treatment if:

  • You have a BMI of 30 or more (classified as obese)
  • You have a BMI of 27 or more (classified as overweight) and a weight-related health condition such as high blood pressure

Mounjaro is available on private prescription and must be taken alongside a healthy diet and exercise plan. It’s not suitable for anyone under 18, or for those who are pregnant, breastfeeding or allergic to tirzepatide.

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What Results Can You Expect?

Clinical studies have shown that patients taking the highest dose of Mounjaro injections lost up to 22.5% of their body weight. While results vary, most people begin to notice changes within a few weeks, especially when combining the treatment with lifestyle changes like balanced eating and regular movement.

Your dosage will be gradually increased to minimise side effects, and your progress will be monitored throughout your journey.

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Important Considerations

Before starting Mounjaro, speak to your doctor if you:

  • Have severe gastroparesis or digestive issues
  • Have diabetic retinopathy or a history of pancreatitis
  • Take other medications, especially insulin or sulphonylureas

While Mounjaro injections don’t interact with food or drink, it’s best to avoid excessive alcohol, which can affect blood sugar and reduce the effectiveness of the treatment.

Ready to Start Your Mounjaro Journey?

At LHP Aesthetics, we offer personalised consultations, expert guidance and ongoing support to help you succeed. Whether you’re new to weight loss injections or looking for a more effective solution, Mounjaro could be the key to unlocking your healthiest, most confident self.

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How To Take Mounjaro
Mounjaro Dosage & Side Effects
Who Can't Have Mounjoro?

How To Take Mounjaro

Mounjaro comes in a convenient injection pen that’s used once a week. It’s easy to administer and fits seamlessly into your routine. Whether you’re using it for diabetes or weight loss, it must be taken alongside a healthy diet and regular exercise to achieve the best results.

Your dosage will be gradually increased over time to minimise side effects and allow your body to adjust. Most people begin to notice changes within a few weeks, with full results developing over several months.

Mounjaro Dosage & Side Effects

Mounjaro comes with a dosing schedule so that you can slowly increase your dose. This helps to reduce common side effects like nausea (feeling sick) and vomiting (being sick). No matter what dose you’re currently taking, you’ll only ever take 1 dose a week.

Mounjaro starts at a dose of 2.5mg per week for 4 weeks. You’ll then increase your dose to 5mg once a week for another 4 weeks. After this, your dose can be increased every 4 weeks until the maximum dose of 15mg. Your doctor will let you know when you can increase your dose. This will be determined by any side effects and how well the dose is working for you.

The following doses of Mounjaro pens are available:

  • 2.5mg
  • 5mg
  • 7.5mg
  • 10mg
  • 12.5mg
  • 15mg

This is how much tirzepatide is contained in each injection.

What is the starting dose of Mounjaro?

The starting dose of Mounjaro is always 2.5mg for 4 weeks. Even if you’re switching from another weight loss injection or have taken Mounjaro in the past, you’ll still start on this dose.

What is the recommended dose?

The most weight loss is seen once you reach the maximum dose of 15mg but this will depend on how your body responds to the medication and if you get any side effects.

Important: Never increase the dose higher than recommended by your doctor – this will increase the risk of strong side effects, severe illness, and might cause you to stop or pause your treatment, which will hinder your weight loss.

What if I miss a dose?

If you miss a dose of Mounjaro, what you do next will depend on how long it’s been since your last dose was due.

  • If it’s been 4 days or less since your last dose was due, take it as soon as you remember. You can then continue treatment as normal on your usual day and time, even if this means taking 2 doses a few days apart.
  • If it’s been longer than 4 days, skip the missed dose then continue treatment when your next dose is due.
  • You’ll usually follow the Mounjaro dosing schedule, which means starting at a lower dose before increasing every 4 weeks.

Mounjaro side effects

Whether you’re taking Mounjaro for weight loss or diabetes, it has some side effects, although not everybody will get them.

Very common side effects of Mounjaro include:

  • diarrhoea
  • feeling sick (nausea)
  • vomiting (being sick)
  • constipation
  • low blood sugar (if taken alongside certain diabetes medications)

These side effects are not usually severe and are most likely to happen when you first start taking Mounjaro. Mounjaro is introduced gradually to reduce these side effects, allowing your body to adjust to the treatment. Very common side effects should improve within a few weeks, but speak to your doctor if they persist.

Mounjaro can also cause low blood sugar when used with other medicines for type 2 diabetes, such as insulin. Tell your doctor if you get symptoms of low blood sugar, which include shaking, sweating, dizziness, hunger, and an increased heart rate.

Common side effects of Mounjaro include:

  • fast pulse
  • mild to moderate allergic reaction, such as eczema, itching, or rash
  • pain in the stomach
  • constipation
  • indigestion
  • bloating
  • gas and burping
  • heartburn or reflux
  • fatigue
  • an increase in the levels of pancreatic enzymes, which will show up on a blood test
  • itching, redness, or irritation at the injection site
  • low blood pressure
  • dizziness
  • hair loss

Uncommon side effects of Mounjaro include:

  • gallstones
  • an increase in calcitonin (a hormone that helps to control calcium levels)
  • weight loss
  • injection site pain
  • an inflamed pancreas (acute pancreatitis) – speak to your doctor straight away if you notice severe stomach and/or lower back pain that isn’t going away
  • low blood sugar (when using Mounjaro alongside metformin)

There may be other side effects that Mounjaro can cause. For an up-to-date list of all side effects, please see your patient information leaflet.

Are there any long-term side effects?

Mounjaro is not known to cause any long-term side effects. If you do get any side effects, they will probably go away or get better within a few weeks or will stop when you stop taking the medicine.

Are there any serious side effects of Mounjaro?

Mounjaro, like other medications, can cause a serious allergic reaction (anaphylaxis). This is a medical emergency and you must call 999 or get to A&E straight away. Symptoms include:

  • breathing difficulties
  • throat, face and mouth swelling
  • fainting

Mounjaro can also cause an inflamed pancreas, known as acute pancreatitis. It might also cause gastroparesis, or dangerously low blood sugars in overdose. These require urgent medical attention, so speak to your doctor or call 111 or 999 if you have intense and persistent stomach and back pain, or if you think you may have used too much.

How to manage the side effects of Mounjaro

To manage the side effects of Mounjaro, you can:

  • take your treatment at the same time and day each week
  • manage nausea symptoms by sipping cold water, avoiding greasy, heavy meals, and eating smaller meals more often
  • make sure to eat enough fibre
  • stay hydrated
  • take anti-diarrhoea tablets if needed
  • only take the dose prescribed to you and avoid increasing your dose unless your doctor tells you to
  • let your doctor know if you have any side effects that bother you or aren’t going away on their own
  • speak to your doctor if you take other medications that may interact with Mounjaro or cause side effects

Who Can't Have Mounjoro?

You should not use Mounjaro if you are allergic to any of the ingredients in the injection, especially tirzepatide. Mounjaro is also unsuitable for anyone under the age of 18. If you are pregnant or breastfeeding, Mounjaro is not recommended.

These criteria exist because medications used for weight loss have the potential to cause serious illness and severe side effects if used inappropriately.

Speak to your doctor before using Mounjaro if you have:

  • a severe health condition that affects the emptying of your stomach, such as severe gastroparesis
  • an eye condition, such as diabetic retinopathy
  • ever had pancreatitis, which is an inflammation of the pancreas

Interactions with other medications

Mounjaro may interact with other medications, so speak to your doctor if you take any prescription or over-the-counter medications, or herbal remedies. You should also inform your doctor if you use another diabetic medication, especially insulin or sulphonylurea.

Interactions with food/drinks

No food or drink interacts with Mounjaro, but you may want to avoid excessive alcohol consumption. Alcohol can affect your blood sugar levels and weight and may make Mounjaro less effective.

 

Prices for Mounjaro – Weekly Weight Loss Injection

Mounjaro is a weekly injectable weight loss treatment, containing the active ingredient tirzepatide. It works by mimicking 2 hormones to make you feel fuller from less food. Combined with a healthy diet and exercise, this can lead to you losing up to 22.5% of your starting weight (after 72 weeks of treatment on a maintenance dose of 15mg).

One Pen – (4 doses) 2.5mg £219
One Pen – (4 doses) 5mg£239
One Pen – (4 doses) 7.5mg£297
One Pen – (4 doses of either) 10mg & 12.5mg£338
One Pen – (4 doses) 15mg£358
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All treatments at LHP Aesthetics & Skincare are carried out by our trained team under the clinical leadership of Laura Henshaw‑Pullan BSc MSc Level‑7 aesthetics practitioner and NMC‑registered independent nurse prescriber.

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