<prompt> All drugs can be used in the treatment of H. Pylori infection exceptOmeprazoleMetronidazoleAmoxicillinMosapride  <response>: Ans. is d i.e. Mosapride RECOMMENDED TREATMENT REGIMEN FOR HELICOBACTER PYLORI:Regimen durationDrug 1Drug 2Drug 3Drug 4First line treatmentRegimen 1OCA 7 days Regimen 2OCM 2 daysOmeprazoleOmeprazoleClarithromycinClarithromycinAmoxicillinMetronidazole--Second line treatmentRegimen 3OBTM14daysOmeprazoleBismuthTetracyclineMetronidazole 