| H2 blocker | Cimetidine ,Ranitidine ,Famotidine ,Nizatidine (BID) |
| Antacids | Aluminium hydroxide
Magnesium hydroxide
Calcium carbonate
Sodium bicarbonate |
| Anti-cholinergics | Pirenzepine, propantheline, oxyphenonium |
| PPI | Omeprazole (QD), lansoprazole, pantoprazole, labeprazole, esomeprazole |
| Antibiotics againt H. pylori | amoxicillin, clarithromycin, tetracycline, metronidazole, tinidazole |
| Triple therapy | 1 PPI + 2 Ab (amoxicillin +clarithromycin) |
| Quadrant therapy | 1 PPI + 2 Ab (tetracycline/lipofloxacin + metronidazole) + Sucralfate |
| Decrease cyp450 | H2 Inhibitor and Omeprazole |
