Short term treatment of acute duodenal ulcer. Acute gastric ulcer.Moderate and severe reflux oesophagitis.Eradication of the Helicobacter pylori in combination with clarithromycin and amoxycillin or clarithromycin and metronidazole/tinidazole or amoxycillin and metronidazole/tinidazole in cases of duodenal ulcer and gastric ulcer with the objective of reducing the recurrence of duodenal and gastric ulcers caused by this microorganism.Zollinger-Ellison-Syndrome.