It has been most extensively studied as a treatment for irritable bowel syndrome IBS and indigestion. Although clinical studies in people with IBS have shown mixed results, two major analyses found a modest benefit. People with IBS who took peppermint oil reported less flatulence, abdominal pain, and bloating compared with those who took a placebo.
Given by enema, peppermint oil can help relieve intestinal spasms in people under going a barium examination of the large intestine. Unfortunately, peppermint also relaxes the sphincter between the esophagus and stomach the lower esophageal sphincter , so it can cause gastroesophageal reflux and heartburn.
It can worsen reflux symptoms in people with hiatal hernia and — not surprisingly — those with gastro esophageal reflux disease GERD. In studies of people with IBS, peppermint oil generally 0.
Peppermint oil has other downsides besides its effects on the lower esophageal sphincter. At high doses, it can be toxic to the kidneys, and you should not take it if you have gallstones or active gallbladder inflammation. Finally, check with your doctor if you take any other medication, because peppermint oil can boost the blood level of some medications, including the antidepressant amitriptyline Elavil, others and the statin simvastatin Zocor.
As a service to our readers, Harvard Health Publishing provides access to our library of archived content. How to Peel Ginger. Peppermint tea. Peppermint tea is a common choice when tummy troubles start to strike. Summary Peppermint tea may help treat stomach pain, nausea, and vomiting. Peppermint oil is also very soothing.
Black tea. Summary Much like green tea, black tea may help reduce diarrhea when consumed in moderation. Fennel tea. Licorice tea. Licorice is famous for its distinctly sweet, slightly bitter flavor. Still, additional research is needed on licorice tea specifically. Summary Licorice tea may help heal stomach ulcers and decrease indigestion, though more research is needed. Make sure to consume no more than 1 cup ml per day.
Chamomile tea. Summary Chamomile tea may help prevent vomiting and diarrhea, as well as several other digestive issues. Holy basil tea. Still, more studies are needed. Summary Animal studies show that holy basil can help protect against stomach ulcers, reducing symptoms like stomach pain, heartburn, and nausea.
Spearmint tea. Like peppermint, spearmint may help relieve digestive distress. However, the supplement contained multiple ingredients, not just spearmint. Still, more human research is needed. Summary Spearmint tea may help reduce stomach pain and bloating. It may also kill certain strains of bacteria that are responsible for food poisoning. The bottom line.
Research shows that tea provides many health-promoting properties. Read this next. The 12 Best Foods for an Upset Stomach. Medically reviewed by Debra Rose Wilson, Ph. Large doses of peppermint oil can be toxic. Pure menthol is poisonous and should never be taken internally. It is important not to confuse oil and tincture preparations. Cyclosporine This drug, which is usually taken to prevent rejection of a transplanted organ, suppresses the immune system.
Peppermint oil may slow down the rate at which the body breaks down cyclosporine, meaning more of it stays in your bloodstream. DO NOT take peppermint oil if you take cyclosporine. If you take peppermint capsules at the same time as drugs that lower the amount of stomach acid, the enteric-coated peppermint capsules may dissolve in the stomach instead of the intestines.
This could reduce the effects of peppermint. Take peppermint at least 2 hours before or after an acid-reducing drug. Antacids include:.
Test tube studies suggest peppermint may lower blood sugar, raising the risk of hypoglycemia low blood sugar. Since peppermint works on the liver, it may affect medications that are metabolized by the liver of which there are many.
Speak with your health care provider. Some animal studies suggest that peppermint may lower blood pressure. If you take medications to lower blood pressure, taking peppermint also might make their effect stronger.
Effect of plant oils on Candida albicans. J Microbiol Immunol Infect. Efficacy of Peppermint oil in diarrhea predominant IBS - a double blind randomized placebo - controlled study. Mymensingh Med J. Peppermint oil Mintoil in the treatment of irritable bowel syndrome: a prospective double blind placebo-controlled randomized trial. Dig Liver Dis. A novel delivery system of peppermint oil is an effective therapy for irritable bowel syndrome symptoms.
Dig Dis Sci. Effect of fibre, antispasmodics, and peppermint oil in the treatment of irritable bowel syndrome: systematic review and meta-analysis.
Peppermint oil solution is useful as an antispasmodic drug for esophagogastroduodenoscopy, especially for elderly patients. Early effects of peppermint oil on gastric emptying: a crossover study using a continuous real-time 13C breath test BreathID system.
J Gastroenterol. Enteric-coated, pH-dependent peppermint oil capsules for the treatment of irritable bowel syndrome in children. If you have an upset stomach , your first instinct may be to suck on a peppermint candy or brew a soothing cup of peppermint tea. However, while the minty treat can help some digestive conditions, like indigestion and gas, it may hurt others, such as heartburn due to gastroesophogeal reflux disease GERD.
A study from published in Pain showed why peppermint might help people with irritable bowel syndrome , or IBS. The compounds in peppermint actually activate an anti-pain channel in the colon. This channel, called TRPM8, may reduce the pain linked to eating some spicy foods like mustard or chili, according to researchers. Since then, multiple studies have confirmed peppermint oil to be a beneficial treatment for IBS.
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