All About Hormones – After Bariatric Surgery

Written by Dr. Kate McCann
16th February 2025

TL;DR:  After bariatric surgery, there are major changes to the body – and not just on the scales.  Everything from how you eat, how you absorb food, your hormones, your blood sugar, your blood pressure, your self-image, and even bone density can be changing. This all requires expert support.  You deserve expert support. 

Answers to FAQs:

When is the best time to touch base with a doctor?  (If not your GP, then another doctor experienced in this area.)

  • When you first notice any weight regain: 3 -5 kg (the first half stone)

  • If you had bariatric surgery abroad and no in-person follow-up since

  • If you had expert bariatric surgery in Ireland but it has been more than one year since you were discharged from your aftercare programme

Will I be judged for delaying seeking care or regaining weight?

No, doctors know that here are a variety of causes of for weight to come back after bariatric surgery, and there is no one-size-fits-all approach.  We also know from  studies, patients have found it difficult to decide they should ask for help. Patients also delayed seeking care they needed, feeling like they had failed or feeling ashamed.

Should I not get bariatric surgery then?

Bariatric surgery is the most effective treatment for obesity and Type 2 Diabetes that we have.  However, it should be done with an expert multi-disciplinary team with an expert surgeon in a JCI-accredited facility with an in-person after-care programme. 

Medical tourism or procedures done in aesthetic clinics are not the same thing and has significant risks! (click links for deeper dives into what you should be aware of)

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