Regarding H. pylori, all are true except ?

Ans. is 'd' i.e., It should be eradicated in all cases whenever detected . Treatment is indicated only for H. pylori related gastric and duodenal ulceration and not for asymptomatic colonization. Recommended Treatment regimens for Helicobacter pylori Regimen, Duration Drug 1 Drug 2 Drug 3 Drug 4 FIRST - LINE TREATMENT Regimen 1: OCA (7 days)a Regimen 2: OCM (7 days) SECOND - LINE TREATMENT" Omeprazole" (20 mg bid) Omeprazole" (20 mg bid) Clarithromycin (500 mg bid) Clarithromycin (500 mg bid) Amoxicillin (1 g bid) Metronidazole -- (500 mg bid) Regimen 3: OBTM (14 days)d Omeprazoleh (20 trig bid) Bismuth subsalicylate (2 tabs qid) Tetracycline HCI Metronidazole (500 mg qid) (500 mg tid) Two new regimes have been added in 18th/e of Harrison Drug 1 Drug 2 Drug 3 Regimen 4: sequential (5days +5days) omeprazole omeprazole amoxacillin amoxacillin tinidazole Regimen 5 (OAL) omeprazole amoxacillin levofloxacin