Can Stress Cause Acid Reflux?


Acid reflux, a condition characterized by the backflow of stomach acid into the esophagus, is a widespread digestive issue affecting millions worldwide. This uncomfortable and sometimes painful experience can significantly impact one’s quality of life. While many factors can contribute to acid reflux, recent research has shed light on the intriguing link between stress and gastrointestinal health. 

In this blog post, we will answer the question of whether stress can cause acid reflux, exploring the scientific evidence behind this connection and offering valuable insights into managing stress to alleviate its impact on digestive health. Read on to unravel the intricate relationship between our stress level and acid reflux and discover how to better support our health.

What is Acid Reflux?

Acid reflux is a condition where stomach acid flows back into the esophagus, leading to irritation and discomfort. The lower esophageal sphincter (LES) usually acts as a barrier to prevent this backflow. When the LES weakens or relaxes inappropriately, acid reflux can occur. Certain foods, obesity, smoking, and pregnancy can contribute to the development of acid reflux.

Symptoms and Diagnosis of Stress-Induced Acid Reflux

Typical Symptoms of Stress-Induced Acid Reflux

Stress can exacerbate acid reflux symptoms, leading to more frequent and intense episodes. Common signs of stress-induced acid reflux include heartburn symptoms, chest pain, a burning sensation in the throat, difficulty swallowing, and regurgitation of stomach contents. These symptoms may worsen during periods of heightened psychological stress and anxiety.

Diagnosis and Testing for Acid Reflux

If you suspect stress or other factors may be contributing to your acid reflux, it’s essential to seek medical evaluation for an accurate diagnosis. Your doctor may thoroughly examine your medical history, and inquire about stress levels. In some cases, they may recommend diagnostic tests, such as an endoscopy, pH monitoring, or esophageal manometry, to assess the severity and frequency of acid reflux episodes.

Distinguishing Stress-Induced Acid Reflux from Other Gastrointestinal Conditions

Differentiating stress-induced acid reflux from other gastrointestinal disorders is crucial for targeted treatment. Conditions like peptic ulcers, gastritis, and hiatal hernias may exhibit similar symptoms. A comprehensive evaluation by your doctor can help rule out other possible causes and identify stress as a contributing factor in acid reflux. By understanding the underlying causes, a more tailored treatment plan can be developed to address both the physical and psychological factors of the condition.

Can stress cause Acid Reflux?

Yes, stress can be a significant contributor to the development and exacerbation of acid reflux. When we experience high stress often, our body’s natural response can impact the digestive system. Stress hormones like cortisol can relax the lower esophageal sphincter (LES), the valve that separates the stomach from the esophagus, allowing stomach acid production to flow back up, causing acid reflux. Moreover, stress may increase the production of stomach acid, making reflux even more uncomfortable.

Chronic stress can also lead to unhealthy coping mechanisms, such as overeating, consuming fatty or spicy foods, drinking alcohol, or smoking, all of which can trigger or worsen acid reflux symptoms.

The Nervous System and Acid Reflux

Understanding the Nervous System’s Influence on the Gastrointestinal System

The nervous system plays a crucial role in regulating various bodily functions, including digestion. The autonomic nervous system, specifically the enteric nervous system (often referred to as the “second brain”), controls the gastrointestinal system. It manages the movement of food through the digestive tract, the secretion of digestive enzymes, and the function of the lower esophageal sphincter (LES), which prevents acid reflux.

The Gut-Brain Axis and Its Role in Acid Reflux

The gut-brain axis is a bi-directional communication pathway between the central nervous system and the enteric nervous system. Stress and emotions can impact this axis, affecting gut motility and sensitivity. Heightened stress levels can disrupt the coordination of digestive processes, leading to an increased risk of acid reflux.

How a Dysregulated Nervous System Can Cause Acid Reflux

Chronic stress and anxiety can dysregulate the autonomic nervous system, leading to overstimulation of the enteric nervous system and improper functioning of the LES. This can result in the relaxation of the LES, allowing stomach acid to flow back into the esophagus, triggering acid reflux symptoms. 

Treating & Preventing Stress-Induced Acid Reflux

To effectively manage stress-induced acid reflux, consider the following lifestyle changes and dietary modifications:

  • Exercise Regularly: Engaging in regular physical activity can help reduce auditory stress and improve digestion, reducing the likelihood of acid reflux and other physical symptoms.
  • Avoid Trigger Foods: Identify and steer clear of foods that trigger acid reflux, such as spicy, greasy, or acidic foods, fatty foods, as well as caffeine and carbonated beverages.
  • Get Enough Sleep: Prioritize sufficient sleep to support overall well-being and minimize stress, which can contribute to acid reflux.
  • Avoid Lying Down After Meals: Allow at least two to three hours for digestion before lying down, as this helps prevent stomach acid from flowing back into the esophagus.
  • Avoid Tight-Fitting Clothing: Wearing loose-fitting clothing around the abdomen can alleviate pressure on the stomach and reduce the risk of acid reflux.
  • Nervous System Regulation: When the nervous system is regulated, it promotes better digestion and reduces the risk of acid reflux episodes triggered by stress. 

If lifestyle changes and self-care strategies don’t provide adequate relief, or if acid reflux symptoms persist or worsen, consult your doctor. They can assess your condition, recommend appropriate treatments, and rule out other underlying gastrointestinal issues.


Research suggests the link between stress, the nervous system, and acid reflux is evident. Chronic stress can disrupt the digestive system, leading to increased risk and severity of acid reflux. By adopting lifestyle changes, practicing nervous system regulation techniques, and seeking personalized guidance and support from programs like The Nervous System Solution, individuals can effectively manage stress-induced acid reflux and improve their overall health. Remember, you are not alone, and with the right strategies and determination, relief from acid reflux is achievable. Prioritize your health and seek professional guidance to support your journey toward a healthier, happier you.

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Dr. Linnea Passaler

Dr. Linnea Passaler

Dr. Linnea Passaler has dedicated 20+ years to serving patients, first to a small number of individuals as a successful surgeon and then to thousands of people worldwide as the CEO of a digital health startup. After overcoming her own struggles with a dysregulated nervous system, she created Heal Your Nervous System (HYNS) to empower others in their healing journey. Her combination of neuroscience and somatic work helps those struggling with overwhelm, trauma, burnout, and anxiety to heal their dysregulated nervous systems and thrive.