Why Acid Reflux Makes You Burp (and Why Burping Makes It Worse)

Luke McKnight, Founder, GERDBuddy

Why reflux makes you burp

Burping and reflux tend to arrive together. It isn't a coincidence.

A burp opens the door

To let air out of your stomach, the valve at the top (the lower esophageal sphincter) has to relax for a moment. Air goes up through the open valve, and acid can ride up right along with it. Why acid reflux burns explains how that valve works.

A full stomach triggers it

When your stomach stretches, nerves send a signal that tells the valve to relax. More stretch means more relaxing, and more relaxing means more burps and more reflux. That's why big meals hit twice.

Where the air comes from

Most of the air you burp is air you swallowed. Common sources:

  • Fizzy drinks and beer
  • Gum and hard candy
  • Straws and eating fast
  • Talking while you chew

The habit burp

There's a second kind of burp that never touches your stomach. Air gets sucked into the throat and pushed straight back out. Doctors call it supragastric belching. It's often an unconscious habit, and it can kick in when reflux feels uncomfortable, so you burp more and feel no better.

Breathe from your belly

Slow belly (diaphragmatic) breathing is one of the main treatments for habit burping. A simple pattern to try when the urge hits:

  1. Put a hand on your belly and breathe in for a count of 4
  2. Let your belly rise, not your chest
  3. Breathe out for a count of 6, and repeat

If burping is constant and this doesn't help, a gastroenterologist or speech therapist can teach more structured techniques.

Small bites, sit up after

Eat slowly, skip the bubbles, and stay upright for a while after meals. Less air in means less stretch and fewer chances for acid to escape.

Want to know whether a meal is likely to set you off? GERDBuddy can scan a photo of it to show a reflux score and the likely triggers before you eat.

Common Questions

Why does acid reflux make you burp?

To release air from the stomach, the valve at the top of the stomach has to relax briefly, and acid can come up with the air. A stretched stomach triggers these relaxations more often, which is why big meals bring both burping and reflux.

What is supragastric belching?

It is a burp where air is drawn into the throat and pushed straight back out without reaching the stomach. It is often an unconscious habit, and slow diaphragmatic breathing is one of the main treatments.

Sources and further reading

This article is general information, not medical advice. Talk to your doctor about your own symptoms and treatment.