Mohamed H., age 37 years, tests positive for H. pylori. He has been experiencing mild to moderate upper abdominal pain, nausea and heartburn. You elect to treat him for 10-14 days. He has no mediation allergies. The most common therapy used is: • Triple therapy including a PPI, Amoxicillin (PCN) and clarithromycin (Macrolide) O Quadruple therapy including bismuth salicylate, PPI, Metronidazole (Miscellaneous antibiotic) and tetracycline (Tetracycline) • Triple therapy including PPI, clarithromycin (Macrolide), and metronidazole (Miscellaneous antibiotic)