Can Acid Reflux Cause Chest Pain? GERD Chest Pain vs. Heart Pain

Can acid reflux cause chest pain?

Yes, acid reflux can cause chest pain. When stomach acid flows back into the esophagus, it can irritate the lining and trigger muscle spasm, causing burning or squeezing pain behind the breastbone. GERD is the most common cause of chest pain that is not caused by the heart, called noncardiac chest pain. Because reflux pain and heart pain can feel very similar, new or unexplained chest pain should always be checked for heart causes first.

The esophagus runs directly behind the heart, and both send pain signals through overlapping nerves. That is why the brain cannot always tell whether pain is coming from the esophagus or the heart. Reflux chest pain can come from acid irritating the lining (esophagitis), from heightened nerve sensitivity in the esophagus, or from strong contractions of the esophageal muscle triggered by acid.

What does GERD chest pain feel like?

GERD chest pain usually feels like burning or a squeezing pressure behind the breastbone that may rise toward the throat. It often starts after meals, when lying down or bending over, and may come with a sour or bitter taste, regurgitation, belching or a cough. It can last from minutes to hours and often eases with antacids or sitting upright. Some reflux pain can feel exactly like heart pain, including spreading to the back, neck or arms.

Many people expect heartburn to feel mild, but reflux chest pain can be intense. Pain that wakes you at night, comes with trouble swallowing or feels like food is stuck also points toward the esophagus.

How is acid reflux chest pain different from heart pain?

Acid reflux chest pain is more likely to be burning, linked to meals or lying down, and relieved by antacids, while heart pain is more likely to be pressure or tightness brought on by physical effort or stress and relieved by rest. These patterns overlap a lot, and heart attacks can feel like indigestion, especially in women, older adults and people with diabetes. Only testing such as an ECG and blood tests can rule out the heart.

These are tendencies, not rules. Do not use this table to decide on your own that chest pain is reflux.

When is chest pain an emergency?

Chest pain is an emergency when it is new, severe or comes with shortness of breath, sweating, nausea or vomiting, lightheadedness or fainting, or pain spreading to the arm, back, neck or jaw. Call 911 rather than driving yourself. Also seek emergency care for chest pain with vomiting blood, black stools or food stuck in the chest that you cannot swallow or bring up.

What else can cause chest pain that is not the heart?

Besides GERD, noncardiac chest pain can come from esophageal muscle spasm or other motility disorders, inflammation of the esophagus from pills or infection, a hiatal hernia, gallbladder disease, peptic ulcers, chest wall muscle or cartilage strain, lung problems such as pneumonia, and anxiety or panic attacks. Some of these causes are serious, which is why ongoing chest pain deserves a full evaluation.

Certain pills, including some antibiotics, iron, potassium and osteoporosis medicines, can irritate the esophagus if they lodge there. Taking them with a full glass of water and staying upright afterward reduces that risk.

How do doctors diagnose acid reflux chest pain?

Doctors first rule out the heart, usually with an ECG, blood tests and sometimes a stress test or other heart imaging. Once the heart is cleared, a gastroenterologist evaluates reflux with a detailed history, often a trial of acid-reducing medicine, an upper endoscopy (EGD) to look for inflammation, a hiatal hernia or narrowing, and esophageal pH monitoring to measure acid exposure. Esophageal manometry may be arranged to check for spasm.

Learn more about upper endoscopy (EGD) and the practice’s GERD diagnosis and treatment.

How is acid reflux chest pain treated?

Acid reflux chest pain is usually treated with acid-reducing medicine, often a proton pump inhibitor, plus lifestyle changes: smaller meals, avoiding food for two to three hours before bed, raising the head of the bed, losing weight if needed, and limiting alcohol, fatty foods and smoking. If spasm or nerve sensitivity is part of the problem, other medicines may be added. A large hiatal hernia or reflux that does not respond may need a surgical opinion.

For practical relief steps during a flare, see our guide on how to stop burning chest pain from acid reflux.

• Eat smaller meals and stay upright for two to three hours after eating
• Raise the head of your bed 6 to 8 inches with blocks or a wedge
• Limit alcohol, fatty and fried foods, chocolate, mint and late-night caffeine
• Stop smoking
• Take pills with a full glass of water and do not lie down right after

When should I see a gastroenterologist for chest pain?

See a gastroenterologist after your heart has been evaluated if chest pain keeps returning, if it comes with heartburn, regurgitation or trouble swallowing, if you need antacids or acid reducers often, or if acid-reducing medicine has not helped after several weeks. Get prompt care for difficulty swallowing, food sticking, weight loss, vomiting or black stools, and seek emergency care for any new or severe chest pain.

Dr. Muhammad Ali Khan, a board-certified gastroenterologist and hepatologist, evaluates reflux-related chest pain at the Katy and Cypress offices, serving patients from Fulshear, Richmond and across Greater Houston.

Key takeaways

• Can acid reflux cause chest pain? Yes, and GERD is the most common cause of chest pain not related to the heart.
• Acid reflux chest pain often burns, follows meals or lying down, and eases with antacids, but it can feel like heart pain.
• New, severe or unexplained chest pain needs emergency evaluation for the heart first.
• Endoscopy, pH monitoring and sometimes manometry can confirm reflux or spasm once the heart is cleared.
• Acid-reducing medicine and lifestyle changes relieve reflux chest pain for most people.

Frequently asked questions

Sources

1. NIDDK — Symptoms and causes of GER and GERD
2. NIDDK — Diagnosis of GER and GERD
3. MedlinePlus — Chest pain
4. MedlinePlus — Heartburn
5. NHLBI — Heart attack symptoms
6. American College of Gastroenterology — Acid reflux

Where to be seen in Katy and Cypress

United Gastroenterology Associates has two offices: Katy, at 23920 Katy Freeway, Suite 555, next to Memorial Hermann Katy Hospital, and Cypress, at 21216 Northwest Freeway, Suite 640, on US-290. Both are open Monday through Friday, 8:30 AM to 5:00 PM, closed for lunch from 12:00 to 1:30 PM, and serve patients from Fulshear, Richmond and across Greater Houston. Call (346) 340-4414 for either office.

If you have severe pain, vomit blood, pass black stools or have chest pain, call 911 or go to the nearest emergency room.