Common symptoms of an upset stomach and indigestion include:

  • heartburn, or acid reflux
  • nausea
  • bloating
  • gas
  • belching, sometimes bringing up bitter or foul-tasting fluid or food
  • farting
  • bad-smelling or sour breath
  • hiccupping or coughing

This article looks at 21 of the most popular home remedies for an upset stomach and indigestion. We also explain when to see a doctor.

Twenty-one home remedies

Some of the most popular home remedies for an upset stomach and indigestion include:

1. Drinking water

The body needs water to digest and absorb nutrients from foods and beverages efficiently. Being dehydrated makes digestion more difficult and less effective, which increases the likelihood of an upset stomach.

In general, the Health and Medicine Division (HMD) recommend that:

  • women should have around 2.7 liters (l), or 91 ounces (oz), of water a day
  • men should have about 3.7 l, or 125 oz, of water a day

Around 20 percent of this will come from food, with the rest coming from beverages. For most people, a good figure to aim for is approximately 8 or more cups of water a day. Younger children require slightly less water than adults.

For those with digestive issues, it is imperative to stay hydrated. Vomiting and diarrhea can lead to dehydration very quickly so people with these symptoms should keep drinking water.

2. Avoiding lying down

When the body is horizontal, the acid in the stomach is more likely to travel backward and move upward, which can cause heartburn.

People with an upset stomach should avoid lying down or going to bed for at least a few hours until it passes. Someone who needs to lie down should prop up their head, neck, and upper chest with pillows, ideally at a 30-degree angle.

3. Ginger

Ginger is a common natural remedy for an upset stomach and indigestion.

Ginger contains chemicals called gingerols and shogaols that can help speed up stomach contractions. This may move foods that are causing indigestion through the stomach more quickly.

The chemicals in ginger may also help to reduce nausea, vomiting, and diarrhea.

People with an upset stomach could try adding ginger to their food or drinking it as a tea. Some all-natural ginger ales may also contain enough ginger to settle an upset stomach.

4. Mint

In addition to sweetening the breath, the menthol in mint may help with the following:

  • preventing vomiting and diarrhea
  • reducing muscle spasms in the intestines
  • relieving pain

Researchers have found that mint is a traditional treatment for indigestion, gas, and diarrhea in Iran, Pakistan, and India.

Raw and cooked mint leaves are both suitable for consumption. Traditionally, people often boil mint leaves with cardamom to make a tea. It is also possible to powder or juice mint leaves and mix them with other teas, beverages, or foods.

Sucking on mint candies might be another way to help reduce the pain and discomfort of heartburn.

5. Taking a warm bath or using a heating bag

Heat may relax tense muscles and ease indigestion, so taking a warm bath may help to ease the symptoms of an upset stomach. It could also be beneficial to apply a heated bag or pad to the stomach for 20 minutes or until it goes cool.

Cinnamon contains several antioxidants that may help ease digestion and reduce the risk of irritation and damage in the digestive tract. Some of the antioxidants in cinnamon include:

  • eugenol
  • cinnamaldehyde
  • linalool
  • camphor

Other substances in cinnamon may help to reduce gas, bloating, cramping, and belching. They may also help to neutralize stomach acidity to reduce heartburn and indigestion.

People with an upset stomach could try adding 1 tsp of good-quality cinnamon powder, or an inch of cinnamon stick, to their meals. Alternatively, they could try mixing the cinnamon with boiling water to make a tea. Doing this two or three times daily may help to relieve indigestion.

Basil contains substances that may reduce gas, increase appetite, relieve cramping, and improve overall digestion. Basil also contains eugenol, which may help to reduce the quantity of acid in the stomach.

Basil also contains high levels of linoleic acid, which has anti-inflammatory properties.

A person with an upset stomach could try adding 1 or 2 tsps of dried basil leaves, or a couple of fresh basil leaves, to meals until their symptoms lessen. For more immediate results, they could mix half a teaspoon of dried basil, or a few fresh leaves, with boiled water to make a tea.

17. Licorice

Licorice root contains substances that may help to reduce gastritis, or inflammation of the stomach lining, as well as inflammation relating to peptic ulcers.

Someone with an upset stomach could try drinking licorice root tea several times a day until their symptoms improve. Licorice root teas are widely available online, but it is also possible to make them at home by mixing 1 or 2 tsps of licorice root powder with boiling water.

18. Spearmint

Like mint, spearmint is a common remedy for many digestive complaints, including:

  • nausea
  • stomach and intestinal spasms
  • gastrointestinal infections
  • diarrhea

Most people find that the easiest way to consume spearmint is to drink prepared herbal teas in which spearmint is the primary ingredient. There are many such teas available online.

It is usually safe to drink spearmint teas several times daily until symptoms improve. Sucking on spearmint candies may also help to reduce heartburn.

19. Rice

Plain rice is useful for people with many types of stomach complaints. It can help by:

  • adding bulk to stool
  • absorbing fluids that may contain toxins
  • easing pain and cramps, because of its high levels of magnesium and potassium

Someone who is vomiting or has diarrhea could try slowly eating half a cup of plain, well-cooked rice. It is best to wait until at least a few hours after the last episode of vomiting. The person may continue to do this for 24–48 hours until diarrhea stops.

Rice is also part of the BRAT diet that doctors often recommend.

20. Coconut water

Coconut water contains high levels of potassium and magnesium. These nutrients help to reduce pain, muscle spasms, and cramps.

Coconut water is also useful for rehydrating and is a better option than most sports drinks as it is also low in calories, sugar, and acidity.

Slowly sipping on up to 2 glasses of coconut water every 4–6 hours could ease upset stomach symptoms.

21. Bananas

Bananas contain vitamin B6, potassium, and folate. These nutrients can help to ease cramps, pains, and muscle spasms. Bananas can also help by adding bulk to loose stools, which can alleviate diarrhea.

When to see a doctor

An upset stomach and indigestion should not usually cause concern. For most people, symptoms should go away within a few hours. As older adults and children can become dehydrated much more quickly, they should seek medical attention for vomiting and diarrhea that lasts for more than a day.

People with severe, frequent, or persistent stomach problems should talk to a doctor. It is also best to seek medical attention if the following symptoms are present:

  • continual or uncontrollable vomiting or diarrhea
  • chronic constipation
  • fever
  • bloody stool or vomit
  • inability to pass gas
  • dizziness or lightheadedness
  • arm pain
  • unintentional weight loss
  • a lump in the abdomen or stomach
  • difficulty swallowing
  • history of iron-deficiency anemia or associated conditions
  • pain when urinating

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