Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the complications of Gastritis ?
    ### Response:
    The complications of chronic gastritis may include
                
- peptic ulcers. Peptic ulcers are sores involving the lining of the stomach or duodenum, the first part of the small intestine. NSAID use and H. pylori gastritis increase the chance of developing peptic ulcers.
    