Pantoprazole More Drug_warnings_recalls Does Anybody Know Drug Pantoprazole?

Does anybody know drug Pantoprazole? - pantoprazole more drug_warnings_recalls

I need to know if they are administered by intravenous drip, and what is the duration of the action? How long does the work, when you consider how much you give to a patient who does not eat because of stomach ulcer
How many times a day can / should?
They also ranitidine infusion of gastric ulcers? Is it appropriate?