Bloating
Bloating may be more serious than a little bit of gas. Gastroenterologists say that If you notice your stomach feeling particularly bloated — it could be one of the signs of an ulcer. Bloating can also be caused by eating something that your body does not agree with, but it is worth checking out when combined with other common symptoms of a stomach ulcer.
Intolerance To Fatty Foods
You may not be able to eat fatty food without feeling uncomfortable. Mayo Clinic states that another common symptom of both stomach and duodenal ulcers is fatty food intolerance.