H. pylori positive 400 is not considered serious.
A value of 400 for H. pylori means that it is infected with H. pylori. And the level of the H. pylori value does not indicate the severity of the symptoms, and likewise the severity of the disease. H. pylori infection can usually be eradicated with medication.
For the treatment of H. pylori infection, the usual treatment is quadruple therapy, which includes a proton pump inhibitor (omeprazole, pantoprazole) + a bismuth agent (bismuth potassium citrate, colloidal bismuth pectin) + two antibiotics (amoxicillin, clarithromycin, metronidazole), and the course of the medication is 10 to 14 days.
However, it should be noted that if infected with this bacterium must be treated strictly according to the course of treatment, otherwise it is difficult to cure and progress to gastritis, gastric ulcer or even gastric cancer.
If infected with this bacteria, it is recommended to go to the hospital as soon as possible, the above drugs must be standardized under the guidance of a doctor, do not self-medication.