H pylori Agents H pylori Agents bismuth subsalicylate Kaopectate Kaopectate Extra Strength lansoprazole/amoxicillin/clarithromycin Maalox Total Relief metronidazole/tetracycline/bismuth subsalicylate Omeclamox-Pak omeprazole/amoxicillin/clarithromycin Pepto Bismol Pepto-Bismol Maximum Strength Prevpac Pylera