Bacterium Helicobacter pylori cause gastric ulcer, gastritis, gastric adenocarcinoma, and found on gastric epithelium. A descriptive cross-section study was conducted from May 2023 to July 2023 at the different laboratories of the District headquarters hospital in Khar, Bajaur KP, Pakistan. The study objective was to find the H. pylori’s infection prevalence among the local people of District Bajaur, Pakistan. About 412 samples were collected from seven Tehsils of District Bajaur. The total samples were grouped into five age groups, in which the positivity was (36.46%) in the age group 21-30. About 282 suspected patients were male out of which 68% were positive. About 74 of total 130 female patients were positive for infection. About 64.56% (266/412) patients were positive and 35.44% (146/412) were negative. The majority of the H. pylori-infected patients were with low socioeconomic status 176/266. Most of the infected patients were with indigestion problems and the most affected age group was 21-30.

Keywords:  Age; Bajaur; Gastric ulcer; Gender; Helicobacter pylori; Prevalence; risk factors