Understanding Rumination Syndrome

By: Grace Kim BSN, RN, PMH-BC

Living with an often misunderstood condition can be frustrating and isolating. Many individuals feel shame or embarrassment and may avoid eating in public. Raising awareness about Rumination Syndrome is critical in promoting early diagnosis and treatment and in helping those affected feel seen and supported.

What is Rumination Syndrome?

Rumination Syndrome is a condition in which food is repeatedly regurgitated shortly after eating, taking place without nausea, retching, or apparent effort. The food may be undigested or partially digested and is often rechewed or spat out. While it may resemble vomiting or reflux, rumination syndrome is different: it’s considered a functional gastrointestinal disorder and an acquired behavioral condition, essentially a disorder of the gut-brain interaction.

Why does this happen?

While the exact cause is not fully understood, research suggests that subconscious, habitual contractions of abdominal and chest muscles increase pressure in the stomach, leading to the effortless return of food to the mouth. This pattern may begin after a gastrointestinal illness or stressful event, becoming a learned, automatic response over time.

According to a global prevalence study, rumination syndrome is more common in adults than in children. Among adults, it is more frequently associated with being female, anxiety and depression.

Common Symptoms

  • Regurgitation of undigested food shortly after meals (usually within 30 minutes)
  • No nausea, pain, or retching prior to regurgitation
  • Relief of symptoms after regurgitation
  • Unintentional weight loss in severe cases
  • Social withdrawal or embarrassment due to symptoms

Diagnosing Rumination Syndrome

Because of its overlap with other GI and eating disorders, diagnosis can be challenging. It’s often identified based on a detailed patient history and symptom description. Doctors may use tests such as high-resolution manometry, which measures pressure patterns in the GI tract, or impedance testing, to detect the movement of substances in the esophagus.

Treatment Options

The good news is that Rumination Syndrome is treatable, and in many cases, symptoms can improve significantly with proper care.

1. Behavioral Therapy

The most effective treatment is diaphragmatic breathing training, a technique that teaches individuals to control their abdominal muscles and reduce regurgitation reflexes. Working with a therapist or a speech-language pathologist can be highly beneficial.

2. Cognitive Behavioral Therapy (CBT)

CBT can help address any anxiety or stress that might be contributing to the cycle of symptoms, especially in patients where rumination is linked to psychological triggers.

3. Dietary Adjustments

Smaller, more frequent meals and avoiding trigger foods can help reduce symptoms. A registered dietitian may offer personalized guidance.

4. Medications

While medication isn’t usually the primary treatment, in some cases, drugs to reduce stomach acidity or help with motility may be prescribed.

What to Do If You Suspect You Have Rumination Syndrome

If you or a loved one has been experiencing symptoms of rumination syndrome, it’s important to bring this to a healthcare provider’s attention. Delayed diagnosis can lead to weight loss, malnutrition and damage to the esophagus. 

As rumination syndrome is a poorly recognized, underdiagnosed condition, even experienced clinicians can miss or delay diagnosis. Be your own advocate by clearly communicating symptoms you’ve been experiencing. It can help to keep a journal and write detailed symptoms that’s experienced.

Raising awareness among both patients and providers is essential to avoid unnecessary psychiatric referrals or invasive tests and to ensure early, effective treatment.

For additional ways to support your loved one, please check out ANAD’s downloadable Support At Every Stage Guide.