No Burp RCPD resources

Can't burp?

Why can't I burp?

If you have never been able to burp, the likely reason is a condition called retrograde cricopharyngeal dysfunction (RCPD), or “no-burp syndrome.” A ring of muscle at the top of your esophagus, the cricopharyngeus, doesn't relax to let air back up. It is a recognized medical condition, it isn't dangerous, and it can be treated.

Updated · Based on the studies listed under Sources. General information, not medical advice.

Is it RCPD?

Signs it's no-burp syndrome

RCPD has a distinctive pattern. Most people with it recognize several of these:

  • You've never been able to burp, or only rarely and with great effort. In a series of 200 patients, 98% said it was lifelong or began in early childhood.1
  • Gurgling, croaking noises from your throat or chest, which patients describe as “frogs croaking” or “dinosaur noises.” 50 of 51 patients in the first study had them.2
  • Bloating and pressure in the chest or upper stomach, especially after fizzy drinks or beer.3
  • A lot of gas passed from the other end.3
  • Trouble vomiting, reported by about half of people with RCPD in one large survey.5
  • Normal test results. Endoscopies and scans usually come back normal, and many people are told it's reflux, IBS or stress.2

Being unable to burp usually dates back to childhood, but the bothersome symptoms often become noticeable in the teenage years.6,7 In studies, the average age at diagnosis is about 30.7,1 It affects both men and women.

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If it started later

Other reasons you might not be able to burp

If you used to burp normally and then stopped, something other than lifelong RCPD is more likely. Documented causes include:

  • Anti-reflux surgery (fundoplication). Wrapping the top of the stomach to stop reflux can also stop air escaping. This is part of “gas-bloat syndrome.” In a review of randomized trials, about 15% of people couldn't belch after a Nissen fundoplication, compared with 8% after a partial (Toupet) wrap.8 A small share of people also report it after magnetic sphincter (LINX) surgery.9
  • Achalasia, a condition in which the lower esophagus doesn't open properly. Most people with it report difficulty belching, but its main symptom is trouble swallowing food.10
  • RCPD that begins later. Less often, RCPD seems to start later in life, sometimes after a difficult experience with vomiting. The evidence for this is still limited.4

Anyone whose ability to burp changes should mention it to a doctor. It's especially important to see one soon if it comes with other changes.

See a doctor promptly if you have trouble swallowing food or liquids, food that sticks, unexplained weight loss, persistent vomiting, vomiting blood, or black stools. These aren't features of RCPD. Severe chest pain, especially with breathlessness or pain spreading to the arm or jaw, is an emergency. Call your local emergency number. Is RCPD dangerous?

How common is it?

Nobody knows yet. RCPD was only described as a condition in 2019, and there are no reliable figures on how many people have it.6,4 One hint that it may be common: in a 2025 study, 34 of 134 volunteers recruited as “healthy” controls turned out to be unable to burp.11

Can it be fixed?

Usually, yes. The main treatment is a Botox injection into the cricopharyngeus. In systematic reviews, about 87–94% of people improve, and many burp for the first time in their lives within days.

How treatment works Find a doctor

Sources

  1. Hoesli RC et al. Long-term efficacy of botulinum toxin for retrograde cricopharyngeus dysfunction (200 patients). OTO Open, 2020. PMC7325547
  2. Bastian RW, Smithson ML. Inability to belch and associated symptoms due to retrograde cricopharyngeus dysfunction: diagnosis and treatment. OTO Open, 2019. PMC6572913
  3. Jönsson & Plaschke. Retrograde cricopharyngeal dysfunction and treatment with botulinum toxin: a systematic review. European Archives of Oto-Rhino-Laryngology, 2024. doi:10.1007/s00405-024-08619-8
  4. Lehmann A, Kahrilas PJ. Retrograde cricopharyngeus dysfunction (R-CPD), also known as inability to belch syndrome: a narrative review. Translational Gastroenterology and Hepatology, 2026. PMC13263964
  5. Chen et al. Retrograde cricopharyngeus dysfunction: how does the inability to burp affect daily life? Neurogastroenterology & Motility, 2023. doi:10.1111/nmo.14721
  6. Lechien JR, Mailly M, Hans S, Akst LM. Etiology, clinical presentation, and management of retrograde cricopharyngeus dysfunction: a systematic review. 2025. PMC12103659
  7. Mailly et al. Origin and in-office treatment of retrograde cricopharyngeus dysfunction. JAMA Otolaryngology–Head & Neck Surgery, 2025. doi:10.1001/jamaoto.2024.5046
  8. Tian ZC et al. A meta-analysis of randomized controlled trials comparing long-term outcomes of Nissen and Toupet fundoplication. PLoS One, 2015. PMC4484805
  9. Ferrari D et al. Six to 12-year outcomes of magnetic sphincter augmentation for gastroesophageal reflux disease. Scientific Reports, 2020. PMC7426413
  10. Massey BT et al. Alteration of the upper esophageal sphincter belch reflex in patients with achalasia. Gastroenterology, 1992. doi:10.1016/0016-5085(92)91180-c
  11. Lechien JR, Hans S, Mailly M. Validity and reliability of the Burp Score. Otolaryngology–Head and Neck Surgery, 2025. doi:10.1002/ohn.70073