Question

A 60-year-old with H. pylori positive ulcer is treated with bismuth quadruple therapy. When and how should eradication be confirmed?

Accepted Answer

Stool antigen or urea breath test ≥4 weeks after therapy (and off PPI ≥2 weeks)

Answer

No confirmation needed if asymptomatic

Answer

Endoscopy with biopsy in all patients

Answer

Serology immediately after treatment

Answer

Breath test during therapy

Practice question

A 60-year-old with H. pylori positive ulcer is treated with bismuth quadruple therapy. When and how should eradication be confirmed?