Helicobacter pylori first‐line and rescue treatments in patients allergic to penicillin: Experience from the European Registry on H pylori management (Hp‐EuReg)

Background Experience in Helicobacter pylori eradication treatment of patients allergic to penicillin is very scarce. A triple combination with a PPI, clarithromycin (C), and metronidazole (M) is often prescribed as the first option, although more recently the use of a quadruple therapy with PPI, bismuth (B), tetracycline (T), and M has been recommended. Aim To evaluate the efficacy and safety of first‐line and rescue treatments in patients...