Photo: Eren Li

What does a gastritis flare up feel like?

Gnawing or burning ache or pain (indigestion) in your upper abdomen that may become either worse or better with eating. Nausea. Vomiting. A feeling of fullness in your upper abdomen after eating.

mayoclinic.org - Gastritis - Symptoms and causes - Mayo Clinic

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Overview

Stomach and pyloric valve Open pop-up dialog box Close Stomach and pyloric valve Stomach and pyloric valve Your stomach is a muscular sac about the size of a small melon that expands when you eat or drink. It holds as much as a gallon (3.8 liters) of food or liquid. Once your stomach breaks down the food, strong muscular contractions known as peristaltic waves push the food toward the pyloric valve. This valve leads to the upper portion of your small intestine, a segment known as the duodenum. Gastritis is a general term for a group of conditions with one thing in common: Inflammation of the lining of the stomach. The inflammation of gastritis is most often the result of infection with the same bacterium that causes most stomach ulcers or the regular use of certain pain relievers. Drinking too much alcohol also can contribute to gastritis. Gastritis may occur suddenly (acute gastritis) or appear slowly over time (chronic gastritis). In some cases, gastritis can lead to ulcers and an increased risk of stomach cancer. For most people, however, gastritis isn't serious and improves quickly with treatment.

Symptoms

The signs and symptoms of gastritis include:

Gnawing or burning ache or pain (indigestion) in your upper abdomen that may become either worse or better with eating

Nausea

Vomiting

A feeling of fullness in your upper abdomen after eating

Gastritis doesn't always cause signs and symptoms.

When to see a doctor

Nearly everyone has had a bout of indigestion and stomach irritation. Most cases of indigestion are short-lived and don't require medical care. See your health care provider if you have signs and symptoms of gastritis for a week or longer. Seek medical attention immediately if you have severe pain, if you have vomiting where you cannot hold any food down, or if you feel light-headed or dizzy. Tell your doctor if your stomach discomfort occurs after taking prescription or over-the-counter drugs, especially aspirin or other pain relievers. If you are vomiting blood, have blood in your stools or have stools that appear black, see your doctor right away to determine the cause. There is a problem with information submitted for this request. Review/update the information highlighted below and resubmit the form. From Mayo Clinic to your inbox Sign up for free, and stay up to date on research advancements, health tips and current health topics, like COVID-19, plus expertise on managing health. Email ErrorEmail field is required ErrorInclude a valid email address Learn more about Mayo Clinic’s use of data. To provide you with the most relevant and helpful information, and understand which information is beneficial, we may combine your email and website usage information with other information we have about you. If you are a Mayo Clinic patient, this could include protected health information. If we combine this information with your protected health information, we will treat all of that information as protected health information and will only use or disclose that information as set forth in our notice of privacy practices. You may opt-out of email communications at any time by clicking on the unsubscribe link in the e-mail. Subscribe! Thank you for subscribing! You'll soon start receiving the latest Mayo Clinic health information you requested in your inbox. Sorry something went wrong with your subscription Please, try again in a couple of minutes Retry

Causes

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Gastritis is an inflammation of the stomach lining. Weaknesses or injury to the mucus-lined barrier that protects the stomach wall allows digestive juices to damage and inflame the stomach lining. A number of diseases and conditions can increase the risk of gastritis, including inflammatory conditions, such as Crohn's disease.

Risk factors

Factors that increase your risk of gastritis include:

Bacterial infection. Although infection with Helicobacter pylori is among the most common worldwide human infections, only some people with the infection develop gastritis or other upper gastrointestinal disorders. Doctors believe vulnerability to the bacterium could be inherited or could be caused by lifestyle choices, such as smoking and diet. Although infection with Helicobacter pylori is among the most common worldwide human infections, only some people with the infection develop gastritis or other upper gastrointestinal disorders. Doctors believe vulnerability to the bacterium could be inherited or could be caused by lifestyle choices, such as smoking and diet. Regular use of pain relievers. Pain relievers commonly referred to as nonsteroidal anti-inflammatory drugs (NSAIDS) — such as ibuprofen (Advil, Motrin IB, others) and naproxen sodium (Aleve, Anaprox DS) — can cause both acute gastritis and chronic gastritis. Using these pain relievers regularly or taking too much of these drugs may reduce a key substance that helps preserve the protective lining of your stomach. Pain relievers commonly referred to as nonsteroidal anti-inflammatory drugs (NSAIDS) — such as ibuprofen (Advil, Motrin IB, others) and naproxen sodium (Aleve, Anaprox DS) — can cause both acute gastritis and chronic gastritis. Using these pain relievers regularly or taking too much of these drugs may reduce a key substance that helps preserve the protective lining of your stomach. Older age. Older adults have an increased risk of gastritis because the stomach lining tends to thin with age and because older adults are more likely to have H. pylori infection or autoimmune disorders than younger people are. Older adults have an increased risk of gastritis because the stomach lining tends to thin with age and because older adults are more likely to have H. pylori infection or autoimmune disorders than younger people are. Excessive alcohol use. Alcohol can irritate and erode your stomach lining, which makes your stomach more vulnerable to digestive juices. Excessive alcohol use is more likely to cause acute gastritis. Alcohol can irritate and erode your stomach lining, which makes your stomach more vulnerable to digestive juices. Excessive alcohol use is more likely to cause acute gastritis. Stress. Severe stress due to major surgery, injury, burns or severe infections can cause acute gastritis. Severe stress due to major surgery, injury, burns or severe infections can cause acute gastritis. Cancer treatment. Chemotherapy drugs or radiation treatment can increase your risk of gastritis.

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Chemotherapy drugs or radiation treatment can increase your risk of gastritis. Your own body attacking cells in your stomach. Called autoimmune gastritis, this type of gastritis occurs when your body attacks the cells that make up your stomach lining. This reaction can wear away at your stomach's protective barrier. Autoimmune gastritis is more common in people with other autoimmune disorders, including Hashimoto's disease and type 1 diabetes. Autoimmune gastritis can also be associated with vitamin B-12 deficiency. Other diseases and conditions. Gastritis may be associated with other medical conditions, including HIV/AIDS, Crohn's disease, celiac disease, sarcoidosis and parasitic infections.

Complications

Left untreated, gastritis may lead to stomach ulcers and stomach bleeding. Rarely, some forms of chronic gastritis may increase your risk of stomach cancer, especially if you have extensive thinning of the stomach lining and changes in the lining's cells. Tell your doctor if your signs and symptoms aren't improving despite treatment for gastritis.

mayoclinic.org - Gastritis - Symptoms and causes - Mayo Clinic

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