Bismuth potassium citrate tablets/tenidazole tablets/clarithromycin tablets treat Helicobacter pylori. The drug is a combination package of bismuth potassium citrate tablets/tenidazole tablets/clarithromycin tablets, and in its specification under the item of action it is clearly stated that the drug treats Helicobacter pylori. So the drug treats Helicobacter pylori. Bismuth potassium citrate tablets have the effect of decreasing the activity of pepsin, increasing the secretion of mucin, and promoting the release of mucous membrane; tinidazole is an antiprotozoal and antimicrobial; clarithromycin tablets have an inhibitory effect by hindering the association of the 50S subunit of the cell nucleus protein, and inhibiting the protein synthesis. So clinically the drug is used for the treatment of duodenal ulcer, gastric ulcer (with Helicobacter pylori Hp infection), recurrent and refractory ulcer, chronic gastritis (with Helicobacter pylori Hp infection). Bismuth potassium citrate tablets have an ammonia taste in the mouth and make the tongue and stools grayish-black, and a few patients have headache, nausea, diarrhea, constipation, etc.; tinidazole tablets have nausea, epigastric discomfort, metallic or bitter taste in the gastrointestinal tract, fatigue, and other adverse reactions; and clarithromycin tablets have a bad taste in the mouth, abdominal pain, diarrhea, nausea, vomiting, and medicinal rashes, etc. side effects. It is forbidden for those who are allergic to any component of the product and those who are allergic to nitroimidazole or pyrrole drugs or macrolides; it is forbidden for those with severe liver or kidney function impairment and patients with water electrolyte disorders; it is forbidden for those with active central nervous system diseases and blood diseases; it is forbidden for pregnant women and lactating women. If you need to use the drug, it should be used under the guidance of a specialist.