Ozempic Mounjaro

The Help of Drugs in Weight Loss: Ozempic and Mounjaro

How Ozempic and Mounjaro help with weight loss, under medical prescription. Obesity Unit in Girona. Request a no-obligation assessment.

Overweight and Obesity · Girona

Weight loss medications: Ozempic and Mounjaro, by prescription only

Direct answer: Ozempic (semaglutide) and Mounjaro (tirzepatide) are medications that can aid in weight loss by reducing appetite and increasing fullness, as part of a medical plan. They are prescription medicines. They should only be used if a doctor prescribes them, adjusts the dosage and monitors progress, and never on your own. They are not a shortcut or a substitute for diet and exercise, and not everyone is a candidate. The first step is a medical assessment.



Author Medical team of Medics Integral Salut



Reviewed by the Overweight and Obesity Unit

Updated: 30 June 2026

Reading time: 6 min

The fight against overweight and obesity is a challenge for many people, and often changes in diet and exercise alone are not enough. In that context, certain drugs can play a supportive role, always within a medically supervised plan. At Medics Integral Salut, we value these options on an individual basis, alongside treatments such as Gastric balloon in Girona and the nutritional support.

Important: Ozempic and Mounjaro are prescription-only medicines. This page is for informational purposes only and does not constitute a recommendation for use or an indication for your specific situation. Any drug treatment for weight loss must be guided and supervised by a healthcare professional.

Before proceeding: responsible use of these medicines

  • Only with a prescription and medical supervision. They should not be acquired or used on your own account.
  • They aren't for everyone. Your indication depends on your medical history, your health situation, and a complete assessment.
  • Dosage adjustment and regular monitoring are required because they affect the body's metabolism.
  • They can have side effects. The doctor will inform you of them and monitor your progress.
  • They do not substitute to a balanced diet or exercise: they are a support within a broader plan.

What is Ozempic (semaglutide)?

Ozempic contains semaglutide, a glucagon-like peptide-1 (GLP-1) receptor agonist. It was originally used in the treatment of type 2 diabetes and, in the appropriate medical context, has been observed to aid in weight loss. It acts, among other mechanisms, by:

  • Increase the feeling of fullness.
  • Reduce your appetite.
  • To contribute to glycaemic control.

These combined effects can help consume fewer calories. The convenience of using it, and how, is a medical decision.

What is Mounjaro (tirzepatide)?

Mounjaro contains Tirzepatide, a drug that acts on two receptors: GLP-1 and GIP (glucose-dependent insulinotropic polypeptide). This dual action is associated with better blood sugar control and effects on body weight. Among its described mechanisms are:

  • Reduce appetite and cravings.
  • Improve insulin sensitivity.

Mounjaro is not interchangeable with Ozempic nor suitable for everyone: the choice between one or the other, if appropriate, lies with the doctor after evaluating each case.

Ozempic vs. Mounjaro: what's the difference

Indicative comparison. This does not imply that any of them are suitable for your case: that is determined by medical evaluation.

 OzempicMounjaro
Active ingredientSemaglutideTirzepatide
MechanismGLP-1 receptor agonistDual action: GLP-1 and GIP receptors
Desired effectsGreater satiety, less appetite, glycaemic controlReduced appetite and cravings, improved insulin sensitivity
AdministrationInjectable, as per medical guidanceInjectable, as per medical guidance
Terms of UseMedical prescription and monitoringMedical prescription and monitoring

Benefits described and why tracking is key

Clinical studies describe that these drugs can contribute to significant and sustained weight loss in selected patients, in addition to improvements in glycaemic control (useful in prediabetes or type 2 diabetes) and a possible reduction in cardiovascular risk associated with weight loss. However, the results They vary from person to person and are not guaranteed. This is why treatment is personalised and accompanied by check-ups: to adjust the dose, monitor tolerance, and work on habits in parallel.

A drug is not a plan: the integrated approach

Medication, when indicated, is just one piece of the puzzle. In the clinic, we work on a personalised basis and, depending on the case, combine medical assessment, a plan of Dietetics and Nutrition and other unit options, such as the gastric balloon or the MEGA method. The goal is not just to lose weight, but to maintain the result long-term through a sustainable change in habits.

Discuss your case with the medical team

First non-binding medical and nutritional assessment in Girona. Pharmacological treatments are only prescribed.

Related video

Medics Method for the treatment of obesity Watch on our YouTube channel


Frequently asked questions

Can I take Ozempic or Mounjaro on my own for weight loss?
No. They are prescription medications. They must be indicated, dosed and supervised by a healthcare professional after an assessment. Using them on your own can be dangerous.
What is the difference between Ozempic and Mounjaro?
Ozempic contains semaglutide (which acts on the GLP-1 receptor) and Mounjaro contains tirzepatide (which acts on both GLP-1 and GIP receptors). They are not interchangeable; the choice, if appropriate, is made by the doctor on a case-by-case basis.
Do you guarantee weight loss?
No. They can help in selected patients, but results vary between individuals and are not guaranteed. They work as a support within a plan involving diet, exercise, and monitoring.
Are there side effects?
Like all medicines, they can have them. Your doctor will inform you of the possible effects and monitor your progress during treatment. This is why follow-up is essential.
Are they suitable for anyone who is overweight?
No. Their suitability depends on your medical history and a full assessment. Not everyone is a candidate, and in many cases, other options may be more suitable.
What happens if I stop taking my medication?
Weight maintenance relies primarily on changing habits. Any decision to start, adjust, or stop treatment should be made with your doctor, who will assess the best strategy for maintaining results.

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We serve patients from all over the province of Girona

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Notice this content is Informative and does not replace medical advice nor constitute a diagnosis, a recommendation for use or a personalised indication. Ozempic (semaglutide) and Mounjaro (tirzepatide) are prescription-only medicines and must be used only under the guidance, dosage, and supervision of a healthcare professional; they should not be acquired or used on your own initiative. The benefits described come from studies and may vary from person to person; results are not guaranteed. Any decision regarding these medications must be made in a medical consultation. Information prepared in accordance with health advertising regulations.


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