Patients with heartburn and symptoms such as dysphagia, odynophagia, weight loss, anorexia, gastrointestinal bleeding, and vomiting (known as “alarm symptoms”) should undergo an upper endoscopy.

Gastrointestinal “alarm” symptoms include difficult or painful swallowing, unintentional weight loss, gastrointestinal bleeding, anemia, and persistent vomiting.

The NHS cautions that symptoms of norovirus can emerge "suddenly" and typically include nausea, vomiting, and diarrhoea.

The vast majority of food poisonings are as a result of food contaminated by microbes and their toxins. When you eat or drink them it’s like a missile strike. The toxins in particular can rapidly ...

If you can’t get in with a gastroenterologist for some time, Sarker said just seeing a primary care doctor is just fine, too. “You don’t really want to delay if you are uncomfortable,” Sarker noted.

Gastroparesis is a chronic condition where the stomach empties slowly into the small intestine. Common symptoms of gastroparesis include nausea, vomiting, and feeling full quickly after eating ...

Stomach cancer starts in the inner lining of the stomach, called the mucosa, which produces acid as part of the digestive process. As the cancer advances, it grows into the next l ...

Gastroesophageal reflux disease (GERD), also known as gastro oesophageal reflux disease, is more than just the occasional heartburn—it’s a chronic condition where stomach acid keeps flowing ...

Is it stomach flu -- officially called gastroenteritis -- or influenza? WebMD explains the differences so you can treat your symptoms properly.

Symptoms of gastrointestinal infection Although they can continue for as long as 14 days, GI infections usually last a few days.

Alarm symptoms: Seek immediate medical attention if you have bloody stool or vomit, fever, severe pain, intractable vomiting, weakness or passing out, unexplained weight loss, severe chest pain ...

The term 'nervous stomach' usually refers to stomach problems that result from stress and anxiety. This article looks at what causes it and how to ease the symptoms.