Is it 4 drugs for stomach diseases?

Quadruple therapy is a combination of four drugs. Quadruple therapy is used to treat Helicobacter pylori infected gastric diseases, including gastritis, gastric ulcer, duodenal ulcer, etc. If there is no Helicobacter pylori infection, there is no need to use quadruple therapy. Quadruple therapy is a combination of two different types of antibiotics, plus a proton pump inhibitor and a bismuth agent. For Helicobacter pylori infected gastric diseases, quadruple therapy is a two-week course.