Editing Helicobacter pylori (section)

== '''Eradication therapy''' ==

* First-line: HP7 for 14 days
** Esomeprazole 20mg orally bd
** Amoxicillin 1g orally bd
** Clarithromycin 500mg orally      bd
* Allergic to penicillins: for     14 days
** PPI BD
** Metronidazole 400mg BD
** Clarithromycin 500mg BD
* Second-line
** Quinolone therapy (10 days)      - efficacy >85% - preferred second-line in Australia
*** PPI BD
*** Amoxicillin 1g BD
*** Levofloxacin 250mg BD or       moxifloxacin 400mg BD
** Bismuth (7-14 days)
*** PPI BD
*** Colloidal bismuth       subcitrate 120mg QID on an empty stomach
*** Tetracycline 500mg QID on       an empty stomach
*** Metronidazole 400mg TDS       with food
* Third-line
** Rifabutin-based triple      therapy
*** PPI BD
*** Amoxicillin 1g BD
*** Rifabutin 150mg BD
* ''Basically,     amoxicillin and PPI are always given, but the other drug is clarithromycin     -> moxifloxacin -> rifabutin''
* ''If allergic     to penicillin, just swap out the amoxicillin for metronidazole''