Step-by-step explanation:
Symptoms
Burning stomach pain
Feeling of fullness, bloating or belching
Intolerance to fatty foods
Heartburn
Nausea
Less often, 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
Nausea or vomiting
Unexplained weight loss
Appetite changes