Gastritis is a common inflammatory disease. Patients with gastritis are not contagious because gastritis is not an infectious disease. It is also not hereditary because gastritis is not an infectious or hereditary disease, so there is nothing to worry about. The main method of treating gastritis is to use a combination of medication with regular and other dietary treatments. There are three main types of drugs that are commonly used: the first type, antibiotics, commonly used are levofloxacin and amoxicillin. The second category, the drugs to stop acid, commonly used is omeprazole and ranitidine. The third category, drugs to protect the gastric mucosa, the representative drug is bismuth salicylate.