You can be retested for Helicobacter pylori about 1 month later after taking stomach pills. H. pylori is a harmful bacteria that parasitizes the pylorus of the gastric sinus and can be transmitted through dietary contact. H. pylori infection is more related to the development of chronic gastritis, atrophic gastritis, and peptic ulcers, which can easily lead to the development of the above diseases. In general, patients infected with H. pylori need to undergo anti-H. pylori treatment, which usually lasts for 10 to 14 days, and review after 1 month of drug withdrawal to check whether there is still H. pylori present, and if there is, the drug needs to be continued. For patients infected with H. pylori, it is recommended to follow the doctor’s instructions, take the medication on time, and review the medication on time during the treatment period to avoid delaying the condition.