What can cause stomach churning?

Stomach churning is an uncomfortable sensation in the abdomen that may occur alongside nausea and other digestive symptoms. Although stomach churning is often only temporary, it can sometimes be a sign of an underlying condition.

In this article, we describe 11 possible causes of stomach churning. We also explain when to see a doctor and provide some tips for treating and preventing stomach churning.

1. Indigestion

Indigestion, or dyspepsia, refers to pain or discomfort in the upper abdomen.

Other symptoms of indigestion can include:

  • a burning sensation in the upper abdomen
  • becoming full too soon or feeling uncomfortable while eating
  • bloating
  • a churning or gurgling stomach
  • belching or gas
  • nausea
  • vomiting

There is not always an obvious reason for indigestion, but some common causes include:

  • eating or drinking too much or too quickly
  • eating spicy, greasy, or acidic foods
  • drinking too many caffeinated or carbonated beverages
  • stress
  • smoking

Recurrent indigestion can sometimes be a symptom of an underlying medical condition, such as:

People with severe or recurring indigestion should see a doctor. They should seek immediate medical attention if indigestion accompanies any of the following symptoms:

  • unexplained weight loss
  • difficulty swallowing
  • severe or frequent vomiting, especially if vomit contains blood
  • black, tarry, or bloody stool
  • shortness of breath
  • severe and persistent abdominal pain
  • chest, jaw, neck, or arm pain
  • jaundice, which is a yellowing of the skin and arms

2. Stress and anxiety

The gut and brain share many of the same nerve connections. For this reason, stress and anxiety can have a significant effect on the digestive system.

When a person feels stressed or anxious, their body releases stress hormones.

Some of these hormones enter the digestive tract, where they can lead to the following symptoms and conditions:

3. Premenstrual syndrome

Many people have premenstrual syndrome (PMS), which means that they experience a range of symptoms in the week before their period.

In a 2014 studyTrusted Source involving healthy women, scientists investigated the relationships between digestive symptoms, mood, and menstruation.

Of the 156 participants, 73 percent reported experiencing at least one of the following digestive symptoms before or during their period:

  • bloating
  • abdominal pain
  • nausea
  • vomiting
  • diarrhea
  • constipation
  • pelvic pain

Digestive issues were more common among participants who also experienced psychological symptoms, such as depressed mood, anxiety, and fatigue. The authors suggested that certain hormones that the body releases during menstruation may affect gut function.

4. Pregnancy

Digestive issues are common during pregnancy, and they may occur as a result of the hormonal changes taking place inside the woman's body. In the later stages of pregnancy, the enlarging womb and fetus can also place an increasing amount of pressure on the abdominal cavity.

Digestive problems that can occur during pregnancy include:

  • heartburn and acid reflux
  • diarrhea
  • constipation
  • bloating
  • belching or gas
  • nausea and vomiting

5. Food poisoning

Food poisoning is a common illness that affects people who have consumed contaminated foods or beverages. The most common causes of food poisoning are harmful bacteria and viruses. Other causes include certain parasites, molds, and chemicals.

Although anyone can get food poisoning, the following people have a higher riskTrusted Source:

  • young children
  • pregnant women
  • older adults
  • people with weakened immune systems, such as those undergoing organ transplants or living with HIV

The symptoms of food poisoning can range from mild to severe, and they can take hours or even days to appear after a person consumes the contaminated food.

Common symptoms of food poisoning include:

  • indigestion
  • abdominal pain and cramps
  • nausea and vomiting
  • diarrhea
  • fever
  • chills

According to the Centers for Disease Control and Prevention (CDC)Trusted Source, anyone who experiences any of the following symptoms should see a doctor:

  • a temperature exceeding 101.5°F
  • frequent vomiting
  • dehydration
  • dizziness when standing up
  • diarrhea lasting more than 3 days
  • blood in the stool
6. Viral gastroenteritis

Viral gastroenteritis, which people often refer to as "stomach flu," is a viral infection of the intestines.

The most common cause of viral gastroenteritis in adults is norovirus, which accounts for between 19 and 21 million cases of the illness each year in the United States. In children, the most commonTrusted Source cause of viral gastroenteritis is rotavirus.

General symptoms of viral gastroenteritis include:

  • abdominal pain and cramping
  • nausea
  • vomiting
  • watery diarrhea
  • fever

Viral gastroenteritis is usually not serious. However, frequent vomiting and diarrhea can lead to severe dehydration, especially in infants and young children. Signs and symptoms of dehydration include:

  • thirst
  • dry mouth
  • infrequent urination
  • sunken eyes or cheeks
  • lethargy
  • reduced skin turgor, which is when the skin stays raised after pinching it

Symptoms requiring prompt medical attention include:

  • lethargy or irritability
  • high fever
  • frequent vomiting
  • diarrhea lasting more than 2 days
  • passing six or more loose stools in a day
  • black, tarry, or bloody stools
  • severe pain in the abdomen or rectum

Treatment for people with viral gastroenteritis primarily involves replacing lost fluids and electrolytes to prevent dehydration.

7. Lactose intolerance

Stomach churning can sometimes be a symptom of a food intolerance, such as lactose intolerance.

People with lactose intolerance experience digestive symptoms after they consume foods containing lactose, a sugar that is naturally present in milk and dairy products. These symptoms occur because their body does not produce enough lactase, an enzyme that breaks down lactose.

Lactose intolerance is different than a milk allergy, which is due to an immune response.

Symptoms of lactose intolerance can include:

  • bloating and gas
  • abdominal pain and cramping
  • stomach churning
  • nausea or vomiting
  • diarrhea or loose, foul-smelling stools

Many people with lactose intolerance can manage their symptoms by making dietary changes to avoid this sugar.

8. Celiac disease

People withceliac diseaseexperience digestive symptoms after eating products containing gluten. Gluten is a protein that occurs mainly in wheat, barley, and rye.

In people with celiac disease, the immune system overreacts to the presence of gluten and begins attacking the lining of the small intestine.

The symptoms of celiac disease can vary between people. However, some common digestive symptoms of this condition include:

  • abdominal pain or cramping
  • nausea
  • vomiting
  • bloating and gas
  • persistent diarrhea or constipation
  • pale, fatty, or foul-smelling stools

Other symptoms caninclude:

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