If patients with gastric ulcer have Helicobacter pylori infection, they need to be eradicated. At this time, they need to use anti-inflammatory drugs, which is often referred to as antibiotics. The scheme of eradicating Helicobacter pylori generally adopts the quadruple method, that is, proton pump inhibitor combined with bismuth agent combined with two antibiotics. The composition scheme of antibiotics is amoxicillin combined with clarithromycin, amoxicillin combined with levofloxacin, amoxicillin combined with furazolidone, tetracycline combined with metronidazole or furazolidone, etc. The commonly used drugs for proton pump inhibitors are omeprazole, pantoprazole, rabeprazole, lansoprazole, etc. Bismuth agents often include bismuth potassium citrate, colloidal bismuth, etc.
