Repeated regurgitation of food after eating, without nausea or a medical cause, sometimes re-chewed, re-swallowed, or spit out.
Medically reviewed by
Dr. Mihaela G.
Rumination Disorder involves the repeated regurgitation of previously swallowed food, brought back up effortlessly into the mouth, where it may be re-chewed, re-swallowed, or spit out. This isn’t vomiting in the usual sense. There’s no retching, no nausea, no apparent disgust at the moment it happens. It’s often described as relatively comfortable or even automatic, which is part of what makes it so different from other conditions involving food coming back up.
This pattern was long associated almost exclusively with infants and people with significant intellectual disability, where it’s sometimes more visible and easier for caregivers to notice. But it’s increasingly recognized in adolescents and adults without either of these factors, where it tends to be more hidden, often happening quietly after meals, and frequently mistaken for a digestive problem rather than identified as this specific pattern.
Because the behavior can look like a medical issue, gastroesophageal reflux is the most common initial assumption, getting an accurate diagnosis often takes longer than it should, sometimes after a fairly extensive medical workup turns up nothing definitive.
Repeated regurgitation
The defining feature is bringing food back up repeatedly after eating, generally within the first while after a meal, in a way that appears effortless rather than the active, forceful process typical of vomiting.
Absence of nausea or distress at the moment
Unlike vomiting, regurgitation in this condition typically occurs without nausea, retching, or visible distress, and the person may not seem bothered by it in the moment it’s happening, even if they feel embarrassed about it afterward or in social settings.
Re-chewing, re-swallowing, or spitting out
Once food is regurgitated, it may be chewed again and swallowed, or spit out, with the specific pattern varying between individuals and sometimes between episodes for the same person.
Not attributable to a medical condition
A key diagnostic feature is that this happens without an underlying gastrointestinal or other medical condition that would explain it, which is why ruling out conditions like reflux disease is an important part of reaching this diagnosis accurately.
Social and functional impact
In older children, adolescents, and adults, the behavior often leads to significant embarrassment, social avoidance around eating with others, and sometimes weight or nutritional concerns depending on how much food is ultimately retained versus spit out.
⋅ Embarrassment or shame about the behavior, particularly in social eating situations
⋅ Anxiety about eating around others due to fear of the behavior occurring
⋅ Limited emotional distress about the regurgitation itself in younger children or those with intellectual disability
⋅ Frustration connected to a long, sometimes unclear path to accurate diagnosis
⋅ Limited awareness, in some cases, that the behavior is unusual or worth mentioning to others
⋅ Preoccupation with avoiding situations where the behavior might be noticed
⋅ Difficulty explaining the experience to healthcare providers unfamiliar with the condition
⋅ In some presentations, an almost automatic, semi-conscious quality to the behavior itself
⋅ Effortless regurgitation of food shortly after eating, without nausea or retching
⋅ Re-chewing or re-swallowing of regurgitated food
⋅ In some cases, weight or growth concerns if significant food is ultimately not retained
⋅ Dental or throat irritation in some presentations, depending on frequency
⋅ Repeated regurgitation occurring after most or many meals
⋅ Avoidance of eating in social or public settings due to the behavior
⋅ Spitting out regurgitated food, sometimes discreetly
⋅ Pattern persisting over an extended period, generally at least a month
Rumination Disorder has historically been most often identified in infants and in individuals with intellectual disability, populations where the behavior may be more visible to caregivers and less concealed. However, growing clinical recognition has identified the same pattern in adolescents and adults without either of these factors, where it tends to be considerably more hidden, often discovered only after other explanations have been explored and ruled out.
The condition is likely underdiagnosed overall, partly because the regurgitation pattern overlaps in presentation with gastroesophageal reflux and other gastrointestinal conditions, meaning many people undergo extensive medical investigation before this specific behavioral pattern is recognized and named.
Risk factors include significant life stress or a stressful environment, particularly in cases of childhood onset, and in infants, factors like understimulation or a disrupted caregiving relationship have historically been associated with the condition’s emergence, though this understanding has evolved considerably over time.
Comorbidity with anxiety disorders and, in some cases, other feeding and eating conditions is recognized, and the behavior can co-occur with intellectual disability or autism spectrum disorder without being explained entirely by either.
The cause of Rumination Disorder isn’t fully established, and explanations differ somewhat depending on the population and age at which it appears.
In infants, historical understanding emphasized the caregiving relationship and environmental stimulation, with the behavior sometimes understood as a self-soothing or self-stimulating pattern that develops in the context of limited engagement or stimulation from caregivers, though this is a more dated framework and not the full picture in every case.
In older children, adolescents, and adults, the behavior is increasingly understood through a learned, habitual mechanism, where regurgitation may initially occur due to some triggering factor, perhaps an episode of reflux or discomfort, and then becomes an established, semi-automatic pattern that persists even after any original trigger has resolved.
Stress and anxiety appear to play a role for many people, with the behavior sometimes intensifying during periods of significant life stress, though it can also occur in the absence of any clearly identifiable psychological trigger.
A learned physiological pattern, involving the muscles and reflexes used to bring food back up, appears central to how the behavior is sustained once established, somewhat similar to how other learned bodily patterns can become automatic and difficult to consciously interrupt without specific, targeted intervention.
Rumination Disorder is diagnosed when a person shows repeated regurgitation of food over a period of at least one month, with food possibly re-chewed, re-swallowed, or spit out. This behavior is not attributable to a gastrointestinal or other medical condition (such as reflux disease), doesn’t occur exclusively during the course of another eating disorder like anorexia nervosa, bulimia nervosa, or binge-eating disorder, and if it occurs alongside intellectual disability or another developmental disorder, it must be severe enough to warrant independent clinical attention.
Differential diagnosis is genuinely important here, given the overlap with medical conditions. Gastroesophageal reflux disease and other gastrointestinal conditions must be carefully evaluated and excluded through appropriate medical investigation before this diagnosis is confirmed, since the regurgitation pattern can look quite similar from the outside. Other eating disorders involving vomiting, like bulimia nervosa, typically involve active, effortful vomiting connected to specific concerns about body shape or weight, which differs from the effortless, often non-distressing regurgitation pattern characteristic of rumination disorder.
Treatment for Rumination Disorder centers on behavioral techniques, with the specific approach often adjusted based on the person’s age and developmental context.
Diaphragmatic breathing training
For older children, adolescents, and adults, diaphragmatic breathing exercises, practiced particularly after meals, are a well-established behavioral technique that works by engaging muscles in a way that’s incompatible with the regurgitation reflex, helping interrupt the learned pattern.
Habit reversal techniques
Similar in principle to approaches used for other body-focused repetitive behaviors, habit reversal training can help build awareness of the early signals preceding regurgitation and introduce a competing response to interrupt the cycle.
Addressing the caregiving environment in infants
In infants, treatment historically has focused on increasing engagement, stimulation, and responsive caregiving, recognizing the behavior’s connection to the early relational and environmental context in this age group specifically.
Addressing underlying stress or anxiety
When significant stress or anxiety appears to be a contributing factor, particularly in older children and adults, addressing this directly through appropriate therapy can support the behavioral techniques and improve overall outcomes.
Coordinated medical and behavioral care
Given the overlap with gastrointestinal symptoms, coordinated care between medical providers, to rule out or manage any genuine digestive issues, and behavioral specialists, to address the rumination pattern itself, tends to produce the most accurate diagnosis and effective treatment plan.
Seek a thorough medical evaluation first. Given how closely this can resemble reflux or other digestive conditions, ruling these out, or identifying and treating them if present, is an important first step before or alongside any behavioral approach.
Practice diaphragmatic breathing, particularly after meals. This specific technique has solid evidence for interrupting the regurgitation pattern and is something you can learn and practice with guidance from a clinician familiar with the approach.
Build awareness of the early signals before regurgitation occurs. Many people find that with practice, they can identify the moment just before the behavior starts, which creates an opportunity to use a competing response or breathing technique.
Address any significant stress or anxiety you’re carrying. While not every case has a clear psychological trigger, working on stress more broadly can support the behavioral techniques for many people.
Be patient and avoid self-criticism. This pattern can feel embarrassing or confusing, especially before it’s accurately identified, and approaching it with the same patience you’d extend to any habitual physical pattern tends to support better engagement with treatment.
The prognosis for Rumination Disorder is generally favorable with appropriate behavioral treatment, particularly diaphragmatic breathing training, which has solid evidence supporting meaningful improvement in many people who practice it consistently.
In infants, the condition often improves significantly with increased caregiver engagement and stimulation, though ongoing attention to the caregiving relationship and environment remains important during this process.
Without treatment, the behavior can persist for an extended period, sometimes for years, particularly when it remains unrecognized or misattributed entirely to a digestive condition without the behavioral pattern itself being addressed.
Nutritional and growth concerns, when present, generally improve as the underlying behavior is successfully addressed, though ongoing medical monitoring during treatment is reasonable, particularly in younger children or in cases where significant nutritional impact has already occurred.
Seek medical evaluation first if you or someone you know experiences repeated regurgitation after eating, to rule out or address any underlying digestive condition before assuming this specific behavioral pattern.
Seek behavioral treatment if regurgitation continues despite appropriate medical evaluation and treatment of any identified digestive issues, particularly if it’s been occurring for a month or more.
Seek support if the behavior is significantly affecting social functioning, such as avoiding eating around others, or if there are concerns about nutrition, weight, or growth connected to the pattern.
Someone in your life might be quietly looking for this. Share it:
These conditions share overlapping symptoms and are often misdiagnosed.
No, though both involve food coming back up after eating. In rumination disorder, the regurgitation is effortless and typically not accompanied by nausea, distress, or the active vomiting process seen in bulimia nervosa. Bulimia nervosa is also specifically connected to concerns about body shape and weight, with vomiting functioning as a compensatory behavior, while rumination disorder isn’t defined by that same relationship to body image. The two are distinct diagnoses with different underlying mechanisms and different treatment approaches.
Adults can absolutely have rumination disorder. While it was historically more associated with infants and people with intellectual disability, it’s increasingly recognized in adolescents and adults without either of these factors. In these cases, it tends to be more hidden and is often initially mistaken for a digestive condition like reflux, which can delay accurate diagnosis.
Diaphragmatic breathing training, practiced particularly after meals, has the strongest evidence for older children, adolescents, and adults, working by engaging muscles in a way that interrupts the regurgitation reflex. Habit reversal techniques, which build awareness of the pattern and introduce a competing response, are also used. In infants, treatment generally focuses on increasing caregiver engagement and responsive stimulation. A medical evaluation to rule out or address any digestive condition is an important step alongside any behavioral treatment.
This is one of the more distinctive and sometimes confusing features of the condition. Unlike vomiting, which is typically uncomfortable and accompanied by visible distress, the regurgitation in rumination disorder is often effortless and doesn’t appear to cause nausea or obvious discomfort in the moment. This is part of why it’s understood as a learned, somewhat automatic behavioral pattern, rather than a sign of acute illness or distress at the time it’s occurring, even though it may cause embarrassment afterward, particularly in social settings.
Hartmann, A. S., Poulain, T., Vogel, M., Hiemisch, A., Kiess, W., & Hilbert, A. (2018). Prevalence of pica and rumination behaviors in German children aged 7-14 and their associations with feeding, eating, and general psychopathology: a population-based study. European Child & Adolescent Psychiatry, 27(11), 1499–1508. PubMed
Murray, H. B., Juarascio, A. S., Di Lorenzo, C., Drossman, D. A., & Thomas, J. J. (2018). Diagnosis and treatment of rumination syndrome: a critical review. American Journal of Gastroenterology, 113(8), 1133–1147. PubMed
Absah, I., Rishi, A., Talley, N. J., Katzka, D., & Halland, M. (2017). Rumination syndrome: pathophysiology, diagnosis, and treatment. Neurogastroenterology & Motility, 29(4). PubMed
Chial, H. J., Camilleri, M., Williams, D. E., Litzinger, K., & Perrault, J. (2003). Rumination syndrome in children and adolescents: diagnosis, treatment, and prognosis. Pediatrics, 111(1), 158–162. PubMed
Talley, N. J. (2011). Rumination syndrome. Gastroenterology & Hepatology, 7(2), 117–118. PubMed
