Please see a Gastroenterologist, he may wish to do a Gastroscopy to visually identify and take a Biopsy for Microbiology...common antibiotic cocktail is amoxicillin, clarithromycin (Biaxin®), metronidazole (Flagyl®) and tetracycline. They usually do a follow-up Gastroscopy to verify the drugs effectiveness or adjust the combination. Good luck.