Helicobacter pylori (H. pylori): A bacteria that lives in the mucous lining of the stomach; without treatment, the infection can lead to ulcers, and in some people, stomach cancer. Bile reflux: A backflow of bile into the stomach from the bile tract (that connects to the liver and gallbladder)
Infections caused by bacteria and viruses
Symptoms of Gastritis
- Nausea or recurrent upset stomach
- Abdominal bloating
- Abdominal pain
- Vomiting
- Indigestion
- Burning or gnawing feeling in the stomach between meals or at night
- Hiccups
- Loss of appetite
- Vomiting blood or coffee ground-like material
- Black, tarry stools