Peptic ulcer is a sore in the esophagus, stomach, and small intestine.
Symptoms of peptic ulcler include pain in the stomach, nausea, weight loss, and not wanting to eat.
These symptoms would occur because:
-If there's a sore in your stomach, it would be painful.
-The pain in your body would cause you to be nauseous and vomit.
-You wouldn't want to eat because of the pain, you would also lose weight.