A 68-year-old woman with H. pylori infection is prescribed bismuth quadruple therapy. Which substitution should be avoided due to lower eradication ra...

Question

A 68-year-old woman with H. pylori infection is prescribed bismuth quadruple therapy. Which substitution should be avoided due to lower eradication rates?

Accepted Answer

Replace tetracycline with doxycycline

Answer

Use metronidazole instead of tinidazole

Answer

Switch PPI to another PPI

Answer

Use bismuth subsalicylate instead of subcitrate

Answer

Extend duration from 10 to 14 days

us-abim MCQ (SBA): Helicobacter pylori (Regimen Optimization)

A 68-year-old woman with H. pylori infection is prescribed bismuth quadruple therapy. Which substitution should be avoided due to lower eradication rates?