Table 2

Ranitidine: indications and adult intramuscular and intravenous dosages

Indications
Dosages

Treatment and maintenance for duodenal ulcer, hypersecretory conditions, gastroesophageal reflux.
Intramuscular: 50 mg q 6–8 hr
Intermittent intravenous injection or infusion: 50 mg q 6–8 hr, not to exceed 400 mg/day.
Continuous intravenous infusion: 6.25 mg/hr

Oliva et al. Journal of Medical Case Reports 2008 2:232   doi:10.1186/1752-1947-2-232