Description
A peptic ulcer is an open, painful sore in the lining of the stomach or the upper part of the small intestine, caused by the breakdown of protective mucus by stomach acid. The most common causes are the use of nonsteroidal anti-inflammatory drugs, though many ulcers are asymptomatic. Symptoms can include abdominal pain, nausea, bloating, and feeling full, while serious complications like internal bleeding can manifest as black, tarry stools or vomiting blood.




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