Dyspepsia is pain or an uncomfortable feeling in the upper or middle part of the stomach that can cause symptoms of bloating, heartburn, nausea, vomiting and belching. Dyspepsia is often caused by a stomach ulcer or acid reflux.

Stomach ulcers are caused by a certain type of bacteria called Helicobacter pylori, or H. pylori, according to FamilyDoctor.org. H. pylori causes an infection, which leads to the development of ulcers. Acid mixed with other stomach juices contribute to the burning sensation that is often associated with stomach ulcers.

A balanced diet for ulcers can include nuts, as long as you can digest them without pain. If you have stomach pain after eating raw or roasted nuts, consider replacing whole nuts with creamy peanut butter or almond butter to benefit from the protein, minerals and heart-healthy fats that nuts provide.

A peptic ulcer describes an open sore or lesion found on the lining of the digestive tract. Peptic ulcers can occur on the lining of the stomach, known as gastric ulcers, or the lining of the upper portion of the small intestine, known as a duodenal ulcer.

Approximately 20 million Americans will develop an ulcer over their lifetimes, the University of Maryland Medical Center reports. These open sores form on the inside lining of your gastrointestinal tract -- along the esophagus, stomach or small intestine.

Peptic ulcers are erosions of the tissues lining the upper digestive tract, particularly the stomach and first portion of the small intestine, the duodenum. They are often caused by a bacterial infection that compromises your defense against the acid produced in the stomach.

Stomach ulcers are open wounds that tend to develop in the stomach lining. A burning pain in the abdomen experienced for a few minutes to several hours is the most common symptom of a stomach ulcer.

As the name suggests, apple cider vinegar is a specific type of vinegar made by distilling apples.

Papaya contains an enzyme, called papain, which is commonly sold as a dietary supplement. Some sources say papain can prevent or cure a variety of conditions, including gastric reflux, stomach ulcers and arthritis.

The stomach, one of many organs involved in digestion. The stomach dilutes the food you eat with digestive juices before moving it into your intestines for further break down. Factors that impact the health of your digestive system include untreated infections, medical conditions, diet and lifestyle.

A skin ulcer is a crater-like formation on the skin that is caused by any number of reasons, from an infection to cancer or inflammation, report doctors at the National Institutes of Health. Ulcers are sores that typically do not heal properly or keep returning. Ulcers may or may not cause pain.

Peptic, or bleeding ulcers, are open sores that form on the lining of the stomach, duodenum or the esophagus. Ulcers are primarily caused by the Helicobacter pylori bacteria; however, non-steroidal anti-inflammatory medicines are also implicated in causing a bleeding ulcer.