What do you mean by peptic alcer? Md. Saifur Rahman Peptic ulcers are open sores that develop on the inside lining of the stomach and the upper portion of the small intestine. Helicobacter pylori is a type of bacteria that causes this disease.You may likeDo I need car insurance?What is car insurance?How could I get cheaper car insurance?What is auto insurance?Why Adulterant food is the barrier to sound health?What are the producers?What are food preservatives?What is food chain?What is tertiary consumer?