Symptoms of an H. pylori, or Helicobacter pylori, infection include abdominal pain, a bloated feeling, vomiting, lack of appetite and loss of weight, according to Healthline. People infected with H. pylori typically expe... More »

Once H. pylori causes ulcers, symptoms for patients all ages include burning or dull pain in the abdomen, loss of appetite, bloating, and nausea, according to WebMD. Patients may also experience vomiting or weight loss w... More »

Typical symptoms of H. pylori are similar to those caused by gastritis or peptic ulcers, and they include a gnawing or burning abdominal pain that is worse when the stomach is empty and alleviated somewhat after eating, ... More »

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Symptoms of a H. pylori bacterial infection include stomach pain, weight loss, excessive belching, vomiting and loss of appetite, according to Healthline. The stomach pain usually begins several hours after eating or at ... More »

A Helicobacter pylori infection rarely causes health problems, but the most common symptoms are burning abdominal pain, nausea, bloating, loss of appetite and frequent burping, according to Mayo Clinic. An empty stomach ... More »

The most-common symptom of an Helicobacter, or H. pylori, infection is gnawing, abdominal pain that comes and goes, and usually starts on an empty stomach, states Healthline. Other symptoms include excessive burping, blo... More »

The symptoms of a Clostridium difficile, or C. diff, infection include watery diarrhea three or more times a day, abdominal pain or tenderness, blood or pus in the stool, fever, loss of appetite and weight loss, accordin... More »