A 60-year-old who failed clarithromycin-based triple therapy for H. pylori (no penicillin allergy; susceptibilities unknown). Best next regimen?...

Question

A 60-year-old who failed clarithromycin-based triple therapy for H. pylori (no penicillin allergy; susceptibilities unknown). Best next regimen?

Accepted Answer

Rifabutin-based triple therapy for 14 days

Answer

Repeat clarithromycin triple therapy

Answer

High-dose dual PPI-amoxicillin 7 days

Answer

Levofloxacin triple therapy 10 days as default

Answer

Metronidazole monotherapy

us-usmle-step-2 MCQ (SBA): H. pylori (Salvage)