Bloated Stomach
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Reviewed By:

Aiko Yoshioka

Aiko Yoshioka, MD (Gastroenterology)

Dr. Yoshioka graduated from the Niigata University School of Medicine. He worked as a gastroenterologist at Saiseikai Niigata Hospital and Niigata University Medical & Dental Hospital before serving as the Deputy Chief of Gastroenterology at Tsubame Rosai Hospital and Nagaoka Red Cross Hospital. Dr. Yoshioka joined Saitama Saiseikai Kawaguchi General Hospital as Chief of Gastroenterology in April 2018.

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People with these symptoms also use Ubie's symptom checker to find possible causes

  • Pressure in abdominal area due to bloating

  • Upper stomach feels full (bloated)

  • Stomach feels swollen

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Content updated on Jan 4, 2023

About the symptom

Abdominal bloating is a condition where the belly feels full and tight, often due to gas.

When to see a doctor

Seek professional care if you experience any of the following symptoms

  • Abdominal pain

  • Edema

  • Recent weight loss

  • Vomiting of blood

  • Fever

  • Melena (black stools)

  • Jaundice

  • Sensation of incomplete voiding

Possible causes

  • Helicobacter pylori infection

    Helicobacter pylori, or H. pylori, is a bacteria commonly found in the stomach of about half the world's population. Most people have no symptoms. However, H. pylori can cause digestive problems, including ulcers and, rarely, stomach cancer. H. pylori bacteria may spread through direct contact with saliva, vomit, feces, or contaminated food or water.

  • Aerophagia

    Excessive and repetitive air swallowing, resulting in burping and flatulence symptoms. It can be caused by psychological reasons, habits, or using machines that assist in breathing (CPAP machines).

  • Constipation

    Difficulty passing stool. Constipation can also refer to a decrease in stool quantity (e.g. passing stool every day but only small amounts). It can be caused by various factors, including dietary habits, mobility, illnesses, and medications.

  • Functional dyspepsia
  • Premenstrual syndrome (PMS)
  • Uterine fibroids
  • Irritable bowel syndrome (IBS)
  • Meckel's diverticulosis
  • Gastro Esophageal Reflux Disease (GERD)

Related serious diseases

  • Acute gastric volvulus

    This medical emergency occurs when the stomach abnormally twists around itself, forming a loop. This can lead to obstruction, bleeding, and strangulation. It can happen when the structures around the stomach that help keep it in place are unusually lax or due to other structural abdominal abnormalities. It is most common in children and adults over 50 years old.

Questions your doctor may ask about this symptom

Your doctor may ask these questions to check for this symptom

  • Do you feel that your abdomen (stomach) is bloated or has a lot of gas?

  • Has your abdominal circumference (waist size) increased rapidly?

  • Do you feel uncomfortably bloated after meals?

  • Do you have a fever?

  • Do you have hard stools or constipation recently?

Other Related Symptoms

Symptoms from the same body system / part

Reviewed By:

Aiko Yoshioka

Aiko Yoshioka, MD (Gastroenterology)

Dr. Yoshioka graduated from the Niigata University School of Medicine. He worked as a gastroenterologist at Saiseikai Niigata Hospital and Niigata University Medical & Dental Hospital before serving as the Deputy Chief of Gastroenterology at Tsubame Rosai Hospital and Nagaoka Red Cross Hospital. Dr. Yoshioka joined Saitama Saiseikai Kawaguchi General Hospital as Chief of Gastroenterology in April 2018.

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