PARNWAD MUNJIT, M.D.
Gastroenterology and Hepotology

Peptic Ulcer is a sore on the lining of the stomach or the first part of the small intestine (duodenum). Common symptoms can range from epigastric pain or pain under the left rib cage, nausea, vomiting, to black or bloody stools.
Common symptoms of peptic ulcers can be observed in 4 main cases:
Patients may experience pain in the epigastrium or under the left rib cage, which is often related to meals, along with nausea and vomiting.
Occurs when the ulcer is deep enough to reach a blood vessel, causing bleeding with symptoms such as:
Such ulcers can block the digestive path, leading to severe abdominal pain, excessive vomiting, and bloating shortly after eating.
Although the stomach normally has defense mechanisms to prevent ulcers, repair damage, and resist acid well, several factors can cause issues:
If you have any of these symptoms, such as abdominal pain, nausea, or chronic vomiting, it is recommended to see a doctor for an examination. The most common method is an Upper GI Endoscopy (Gastroscopy).
Since the stomach is located beneath the epigastrium, any pain or discomfort in this area often makes stomach disease the first thing a doctor suspects. Generally, endoscopy results show normal findings in up to 70% of cases, with less than 1% chance of finding cancer. However, doctors still choose endoscopy for diagnosis if they suspect gastrointestinal lesions or concerning symptoms: