Gastric bypass patients

Your patient area

This online resource has been designed to give you all of the information you need both before and after your procedure. You will have access to it at all times so you can use it as a point of reference as often as you need to.

We offer an open door policy 

Whatever the question may be, we are here to help. Don’t feel alone on your weight loss journey, we have Bariatric Nurses and a Patient Care team devoted to you. We’ll be calling you from time to time. If you were unable to take our call, give us a call back when you’re free.

Pre-operative advice

Congratulations! You’ve taken the first step on what we hope will be a very exciting journey for you.

Before your operation it is essential you understand what to expect and what you need to do to prepare. Take your time and read through all of the sections below. 

Before bariatric surgery you need to follow a low-carbohydrate 800-900 calorie diet to reduce the amount of glycogen (storage form of carbohydrate), water and fatty deposits in the liver and thus reduce the liver’s overall size. The purpose of this is to allow the surgeon to safely move the liver aside during the operation which will reduce the risk of complications associated with surgery. This pre-op liver shrinking diet will also help with the transition between your normal diet and the 2 weeks post-op liquid diet that you will have to follow.

Read more about pre-op diet

What you need to know in preparation for your surgery. We’ll cover your pre-operative medical assessments, what you should do leading up to your surgery and essentials you might want to bring with you.

Read more on surgery prep

It is natural to be nervous prior to your procedure and being fully informed and planning in advance can help to alleviate those nerves. The following is a list of questions that have have been frequently asked by patients in the past. If your question is not listed here or you want any further information, please call us on 0121 693 4488.

Read more FAQs

Post-operative advice

Once your operation has been carried out, the hard work begins for you. It is essential you follow your nurses instructions, but we’ve also got some advice to help you along the way. To view your aftercare package click here.

Following your surgery you will need to take care of your wounds and ensure you take the correct medication. Read this section to understand how to best take care of yourself once you’re discharged from hospital.

More about after the operation

Following surgery, you will need to follow a specific nutritional plan for the first five weeks. This is very important.

Read more about nutrition

As part of your weight loss journey, being active is essential. The bypass is just one part of your weight loss, so you must exercise and train your body if you want to see great results.

Read more about getting active


Vitamins and minerals are vital for appetite regulation, fat storage and metabolic rate so are important for good health, weight loss and long term weight maintenance. After weight loss surgery, portion sizes are smaller, some food groups may not be tolerated and there may be reduced absorption of vitamins and minerals. It is, therefore, essential for all bypass patients to take multi-vitamins for life. Failure to do so may lead to health complications. 

More about vitamins and minerals

Common questions that patients ask after their surgery about living with a gastric bypass.

Gastric Bypass FAQs

Resources Section

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