Symptoms of an ulcer can vary depending on the location of the ulcer. The most common symptom of a peptic ulcer is stomach pain, which can feel like a burning or gnawing sensation in the center of the abdomen. Other common symptoms include:

• Feeling of fullness, bloating, or belching
• Indigestion, especially of fatty foods
• Nausea and vomiting
• Intolerance to fatty foods
• Heartburn
• Bloating, burning, or dull pain in your stomach
• Comes and goes days or weeks at a time
• The discomfort lasts for minutes or hours

Less commonly, ulcers may cause severe signs or symptoms such as:

• Vomiting or vomiting blood, which may appear red or black
• Dark blood in stools, or stools that are black or tarry
• Trouble breathing
• Feeling faint
• Unexplained weight loss
• Appetite changes

If you experience any of these severe signs or symptoms, you should see a doctor immediately.