帮我看看胃镜报告

evolution2006

section shows fragments of gastric body and antrum mucosa showing congested lamina propria with a few scattered lymphocytes and plasma cells. areas of surface erosion are noted. no neutrophils are seen. the foveolae show reactive epithelium. no dysplasia or intestinal metaplasia is seen

h. pylori- negative

interpretation
mild chronic gastritis and suggestive of reactive gastropathy.

医生开了 PARIET 20mg给我，可是这药很贵，10粒80多块。吃了后没吃胃痛又来。有什么类似的药吗？