Bariatric surgery helps reduce the size of your stomach so you feel full with smaller portions — but is it possible to stretch your stomach back out over time?

The short answer is yes, stomach stretching can happen. But it’s not as simple (or as scary) as it sounds.

How Stomach Stretching Works

After surgery, your new stomach pouch or sleeve is much smaller. But like any muscle or organ, it’s flexible — especially when repeatedly overfilled.

Two types of stretching can occur:

• Temporary stretching — caused by overeating occasionally
• Permanent stretching — gradual increase in size over time if habits slip

Most patients don’t “undo” their surgery, but they may lose restriction if they consistently overeat.

Signs Your Stomach Might Be Stretching

• You can eat much more than a few months ago
• You rarely feel full
• You feel hungry more often
• Weight loss has stopped — or reversed

It’s normal to eat slightly more as you heal, but if you notice sudden changes, talk to your care team.

How to Prevent It

1. Stick to portion guidelines

• Use small plates or meal prep containers

2. Eat mindfully

• Slow down, chew thoroughly, and stop at “satisfied,” not “stuffed”

3. Avoid drinking with meals

• This can wash food through your pouch too quickly

4. Follow up regularly

• Routine check-ins with your bariatric team help keep you on track

What If Stretching Has Already Happened?

The good news? You don’t always need surgery again. A diet reset (like a pouch reset or behavioral plan) may help.

In some cases, revision surgery might be discussed — especially if stretching is severe or tied to major weight regain.

We’re Here to Help You Stay on Track

At BASS Bariatric Surgery Center, we support you long after the operating room. Whether you’re feeling off track or want to avoid setbacks, our team can help guide you through the next step.

Noticing changes in your hunger or portion sizes?

Request a follow-up appointment with our bariatric team today.