Peppermint for Dysphagia

 In Naturopathic News

Node Smith, ND

Imagine that while eating a delicious meal at your favorite restaurant, your joy is cut short because of difficulty swallowing your food, followed by chest pain.

Peppermint can help with difficulty swallowing and non-cardiac chest pain; 63 percent reported improvement of symptoms

If you go see a doctor about these symptoms, and there is no evidence of a cardiac cause of the chest pain, you could be diagnosed as having some sort of disorder of the esophagus.

Peppermint can help with difficulty swallowing and non-cardiac chest pain experienced by some patients with disorders of the esophagus, report investigators at the Medical University of South Carolina (MUSC) in Digestive Diseases & Sciences. Of the 38 patients enrolled in the MUSC pilot study, 63 percent reported overall improvement of symptoms. Patients were recruited from the Esophageal Disorders Clinic at the MUSC Health Digestive Disease Center.

Peppermint oil an established agent in treatment of IBS

“Peppermint oil is an established agent in the treatment of irritable bowel syndrome. We tried to examine its effect on patients with swallowing and chest pain issues with no apparent cause,” says Mohamed Khalaf, M.D., an esophageal disorders research fellow at the MUSC Health Digestive Disease Center and first author on the article.

What the findings suggest

“Our findings suggest that peppermint may help prevent these symptoms by relaxing the smooth muscle in the lower esophagus,” says Donald O. Castell, M.D., a professor emeritus in the MUSC College of Medicine, a nationally recognized gastroenterologist, and senior author on the article.

Peppermint oil known to have therapeutic effects

Peppermint oil has been known to have therapeutic effects in multiple disorders due to its muscle-relaxing properties. However, only two previous studies have investigated its role in the upper digestive tract.

MUSC study findings

The MUSC study found that patients who took peppermint oil tablets before eating felt better after meals than those who did not. Those with both non-cardiac chest pain and unobstructed difficulty swallowing saw the most benefits: 73 percent of them reported feeling better. Of patients with just one of the symptoms, those with non-cardiac chest pain had a more positive response from the peppermint oil (63 percent) than those with difficulty swallowing (53 percent).

The results

The results were even better among patients with spastic disorders of the esophagus: 83 percent reported feeling better or slightly better. Although less well-known than esophageal disorders such as acid reflux, spastic disorders of the esophagus can also disrupt a patient’s life. In these disorders, the esophagus undergoes painful spasms that can interfere with eating. Because the spasms occur only from time to time, these disorders are difficult to diagnose and treat.

Current standard of care

Current standard of care calls for these disorders involves trying multiple drugs, including tricyclic antidepressants and calcium channel blockers, and hoping that one works.

Peppermint offers attractive first line of defense

Peppermint offers an attractive first line of defense for these patients, who experience intermittent symptoms, because they can take it freely as symptoms occur.

“In this study, patients who had experienced difficulty swallowing took two pieces of a commercially available peppermint right before meals. Those with chest pain took the peppermint tablets as needed,” says Khalaf.

Study highlights the effects of the so-called Charleston Approach

This study highlights the effects of the so-called Charleston Approach, which advocates a “start low and go slow” treatment strategy. The Charleston Approach differs from current standard of care in that it uses peppermint oil as a first attempt to relieve symptoms.

Castell and Khalaf caution that patients must first be examined by a doctor to rule out heart disease and undergo a procedure known as an endoscopy to rule out obstruction before they are offered peppermint as a first-line treatment. Endoscopy involves inserting a flexible tube fitted with a light and camera into the esophagus.

One drawback of the study

One of the drawbacks of the study was that researchers did not know the precise dosage of peppermint being given since it was a commercial candy (only one type of which was effective) with a proprietary recipe. Another was the study relied on self-reporting by patients to determine whether symptoms improved.

Preliminary findings of this study are promising

Although the preliminary findings of this study are promising, they need to be confirmed in a trial that compares outcomes in patients who receive a specific dose of peppermint oil and those who receive only a placebo.

Patients diagnosed with spastic disorders of the esophagus and no heart disease or obstruction can try using peppermint

In the meantime, however, patients who have been diagnosed as having spastic disorders of the esophagus and who have no heart disease or obstruction can try using peppermint to see if it relieves their symptoms.

“Given the safety profile, low cost, and widespread availability, there are no risks from empirical use of peppermint oil,” says Khalaf.

From University of South Carolina

  1. Mohamed H. G. Khalaf, Sejal Chowdhary, B. Joseph Elmunzer, Puja Sukhwani Elias, Donald Castell. Impact of Peppermint Therapy on Dysphagia and Non-cardiac Chest Pain: A Pilot Study. Digestive Diseases and Sciences, 2019; DOI: 10.1007/s10620-019-05523-8

Node Smith, ND, is a naturopathic physician in Humboldt, Saskatchewan and associate editor and continuing education director for NDNR. His mission is serving relationships that support the process of transformation, and that ultimately lead to healthier people, businesses and communities. His primary therapeutic tools include counselling, homeopathy, diet and the use of cold water combined with exercise. Node considers health to be a reflection of the relationships a person or a business has with themselves, with God and with those around them. In order to cure disease and to heal, these relationships must be specifically considered. Node has worked intimately with many groups and organizations within the naturopathic profession, and helped found the non-profit, Association for Naturopathic Revitalization (ANR), which works to promote and facilitate experiential education in vitalism.

Node Smith graduated from the National University of Natural Medicine (NUNM) in 2017, and is currently licensed as a naturopathic physician in Oregon and working towards becoming licensed in Saskatchewan, Canada as well.

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