
Chest pain is a frightening experience, as it is often associated with heart attacks or cardiovascular conditions. However, it is important to note that chest pain can also be caused by non-cardiac issues, and acid reflux is one of the most common causes. Acid reflux occurs when stomach acid flows up into the esophagus, causing a burning sensation and tissue damage that can feel like chest pain. This can be differentiated from cardiac chest pain as it may feel closer to the surface of the skin and is often described as a burning or sharp pain. Acid reflux-related chest pain may also improve when changing body positions, such as standing or sitting up straight. While acid reflux can cause chest pain, it is crucial to seek medical attention to rule out any heart-related causes and ensure proper diagnosis and treatment.
| Characteristics | Values |
|---|---|
| Frequency | Acid reflux is frequent, recurring pain |
| Cause | Occurs when strong acids flow out of the stomach and up into the esophagus |
| Symptoms | Heartburn, indigestion, nausea, regurgitation, a burning feeling, and chest pain |
| Treatment | Acid reflux medications, esophageal motility treatments, pain modulators, psychological therapies |
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What You'll Learn

Acid reflux and noncardiac chest pain
Acid reflux occurs when strong acids flow out of the stomach and up into the esophagus, causing a burning sensation and tissue damage. This can result in a feeling of chest pain that is similar to that associated with heart issues. In fact, acid reflux is the most common cause of noncardiac chest pain. The pain associated with acid reflux may be described as burning or sharp and is less likely to feel like it is coming from deep within the chest. It may seem closer to the surface of the skin. Acid reflux-related chest pain can be alleviated by changing body position, such as by straightening the body to a sitting or standing position, whereas cardiac chest pain persists regardless of body posture.
It is important to note that chest pain can be a symptom of a heart attack or cardiovascular condition, so it should not be ignored. If you are unsure about the cause of your chest pain, seek immediate medical attention, especially if the pain does not improve or worsens. While acid reflux can be treated with over-the-counter antacids or acid reducers, chest pain due to a heart attack will not respond to these medications.
To distinguish between acid reflux and noncardiac chest pain, it is helpful to consider the location, sensation, body position, and associated symptoms. Acid reflux-related chest pain is usually located behind the sternum or just underneath it in an area called the epigastrium. It often includes a burning sensation behind the breastbone and may be accompanied by other symptoms such as a sour taste in the mouth, nausea, or a loss of appetite.
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How to distinguish between cardiac and noncardiac chest pain
Chest pain is a common symptom that can cause anxiety and concern as it is often associated with heart problems. However, it is important to note that most people who experience chest pain do not have heart disease. Distinguishing between cardiac and non-cardiac chest pain is critical for effective treatment.
Cardiac chest pain, or angina, is caused by a problem with the heart, such as coronary artery disease or ischemic heart disease. It often feels like a crushing or squeezing pain in the chest that may radiate to the left arm or jaw. On the other hand, non-cardiac chest pain (NCCP) refers to chest pain that is not caused by a heart problem. NCCP can feel like heart-related chest pain but is often related to the oesophagus (food pipe) instead. The same sensory nerves send pain signals from both organs to the brain, making it challenging to pinpoint the exact source of the pain.
Cardiac Chest Pain:
- Cardiac chest pain is often characterised by a crushing or squeezing sensation in the centre or left side of the chest.
- It may radiate down the left arm or into the jaw.
- Shortness of breath, nausea, cold sweat, and feelings of indigestion may accompany cardiac chest pain.
- It is important to seek medical attention if you experience new, severe chest pain or if the pain lasts longer than a few minutes.
Non-Cardiac Chest Pain:
- Non-cardiac chest pain may feel like a sharp or burning sensation in the chest.
- It is often related to the oesophagus and can be caused by acid reflux or gastroesophageal reflux disease (GERD).
- NCCP may also be associated with musculoskeletal issues, pulmonary disorders, gastrointestinal problems, or psychological factors.
- If the pain increases when applying pressure to the spot, it is likely musculoskeletal pain.
- NCCP may be treated with lifestyle changes, medication, or psychological interventions, depending on the underlying cause.
It is important to consult a qualified healthcare provider for a proper diagnosis and treatment plan as they can determine whether the chest pain is cardiac or non-cardiac in nature.
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Acid reflux and heart attack symptoms
Acid reflux, or gastroesophageal reflux (GER), occurs when stomach acid rises into the oesophagus. This can cause heartburn, a burning sensation in the chest, close to the sternum. This is also referred to as noncardiac chest pain (NCCP) as it is unrelated to the heart. However, the symptoms of acid reflux can be similar to those of a heart attack, which can cause confusion and worry.
Heartburn is a common symptom of acid reflux and can cause a burning feeling in the chest and throat. It may also cause a sour taste in the mouth. This is due to the acid irritating and inflaming the tissues in the oesophagus. The pain of heartburn is often described as a burning sensation, rather than a crushing or squeezing pain. It may also be relieved by changing position, which can indicate that it is not a heart attack.
A heart attack usually feels like pressure, tightness, or squeezing in the chest, rather than a burning pain. This feeling may radiate up toward the left shoulder, arm, neck, jaw, or back. It is often described as feeling like someone is sitting on one's chest. While chest pain is a classic sign of a heart attack, very few people describe the symptom as "pain".
It is important to note that acid reflux is a common condition that affects many people, and it is not a disease. However, chronic acid reflux, known as gastroesophageal reflux disease (GERD), can impact one's quality of life and cause damage to the tissues. If you are experiencing chest pain or pressure and are unsure of the cause, it is recommended to seek medical advice or go to the emergency department.
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Treatment for acid reflux and noncardiac chest pain
Acid reflux, also known as gastroesophageal reflux (GER) or gastroesophageal reflux disease (GERD), occurs when stomach acid rises into the oesophagus, causing heartburn and other symptoms. It is important to note that acid reflux is distinct from heart-related chest pain, although the symptoms may feel similar.
Noncardiac chest pain (NCCP) refers to frequent, recurring chest pain unrelated to the heart. While it may feel like cardiac chest pain (angina), healthcare providers diagnose NCCP after ruling out heart-related causes. GERD is the most common cause of NCCP, and it occurs when gastric acid escapes from the stomach and flows back into the oesophagus, causing a burning sensation and pain.
Treatment for acid reflux and NCCP depends on the specific causes and can vary in complexity. Here are some common treatment methods:
- Acid reflux medications: Proton pump inhibitors are the most common and effective treatment for GERD. They help soothe inflammation (oesophagitis) caused by acid reflux.
- Oesophageal motility treatments: These treatments are recommended for individuals experiencing oesophageal muscle spasms or constriction. They include medications and procedures aimed at relaxing or stretching the oesophagus.
- Pain modulators: Low doses of certain antidepressants can help manage chronic pain associated with acid reflux and NCCP. Examples include tricyclic antidepressants and selective serotonin reuptake inhibitors.
- Psychological therapies: Psychological therapy can take various forms, including traditional "talk" psychotherapy, mind-body therapies such as biofeedback, and stress management techniques. These approaches can help address the psychological aspects of chronic pain and improve overall well-being.
- Lifestyle changes: Modifying dietary habits and lifestyle behaviours can significantly impact acid reflux and NCCP. This includes eating smaller meals, avoiding trigger foods, losing weight, quitting smoking, and adopting a left-side sleeping position, which helps position the lower oesophageal sphincter above stomach contents.
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Acid reflux and oesophageal spasms
Acid reflux, or gastroesophageal reflux, is when stomach acid rises into the oesophagus, causing heartburn or other symptoms. This can include a burning feeling in the chest, close to the sternum, or indigestion, which is a burning pain in the stomach after eating. Acid reflux is very common, and occasional episodes are not a disease. However, chronic acid reflux, known as GERD, can negatively impact quality of life and cause tissue damage.
Oesophageal spasms are abnormal muscle contractions in the oesophagus, which can cause difficulty swallowing and chest pain. These spasms can be caused by opioid use, and they may resolve after discontinuing the medication. The prognosis for oesophageal spasms varies depending on the severity of symptoms, which can range from minor to severe. Oesophageal spasms are not typically life-threatening and do not increase the risk of oesophageal cancer or other serious conditions.
Oesophageal spasms and acid reflux can both cause chest pain, which can be challenging to distinguish from heart-related chest pain due to the proximity of the oesophagus to the heart and the shared sensory nerves that transmit pain signals. Noncardiac chest pain is not related to the heart but may feel similar to cardiac chest pain. Treatment for noncardiac chest pain due to acid reflux or oesophageal spasms may include proton pump inhibitors, which reduce stomach acid production, and esophageal motility treatments to relax or stretch the oesophagus.
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Frequently asked questions
Yes, acid reflux can cause chest pain. This is because acid reflux can cause damage to the oesophagus, causing a burning sensation and tissue damage.
When acid reflux occurs, strong acids flow out of the stomach and up into the oesophagus, which passes directly behind the heart. This causes a burning sensation and tissue damage in the oesophagus, which feels like chest pain coming from the heart.
Chest pain caused by acid reflux is less likely to feel like it's coming from deep within the chest. It may seem like it's closer to the surface of the skin and is often described as a burning or sharp pain. Additionally, chest pain caused by acid reflux may improve when you change your body position or lie down.
Other symptoms of acid reflux include heartburn, a sour taste in the mouth, nausea, and regurgitation of stomach contents.
Chest pain from acid reflux can be treated with over-the-counter antacids or acid reducers. Proton pump inhibitors are also commonly used to treat acid reflux and reduce the amount of acid in the stomach.











































