Side-by-side: omeprazole compared to pantoprazole sodium
Summary: Omeprazole (omeprazole) is a Proton Pump Inhibitors (PPIs) medication indicated for GERD (gastroesophageal reflux disease). Pantoprazole (pantoprazole sodium) is a Proton Pump Inhibitors (PPIs) medication indicated for Erosive esophagitis associated with gastroesophageal reflux disease (GERD). Both belong to the same medicine class — differences are clinical (potency, side effect profile, kinetics).
| Attribute | Omeprazole | Pantoprazole |
|---|---|---|
| Generic name | omeprazole | pantoprazole sodium |
| Medicine class | Proton Pump Inhibitors (PPIs) | Proton Pump Inhibitors (PPIs) |
| Prescription status | OTC | Rx only |
| Pregnancy category | C | B |
| FDA approved | 1989 | 2000 |
| Half-life | 0.5–1 hour (plasma); pharmacodynamic effect persists 24+ hours due to irreversible binding | 1 hour (but pharmacodynamic effect lasts 24+ hours due to irreversible pump binding) |
| Adult dose (typical) | GERD (symptomatic relief): 20mg once daily for 4 weeks; Erosive esophagitis (healing): 20mg once daily for 4–8 weeks; H. pylori (triple therapy): 20mg twice daily for 10–14 days (with antibiotics); Duodenal ulcer: 20mg once daily for 4 weeks; Gastric ulcer: 40mg once daily for 4–8 weeks; Zollinger-Ellison syndrome: 60mg once daily; titrate as needed (up to 120mg TID); NSAID ulcer prevention: 20mg once daily | GERD (erosive esophagitis): 40mg once daily for 8 weeks; maintenance 40mg once daily; Pathological hypersecretory conditions: 40mg twice daily initially; may increase to 240mg/day; H. pylori (triple therapy): 40mg twice daily with amoxicillin 1g and clarithromycin 500mg for 10–14 days; IV (stress ulcer prophylaxis): 40mg IV daily or 40mg IV every 12 hours for high-risk ICU patients |
| Forms | Delayed-release capsules, Delayed-release tablets, Oral suspension packets, IV (Rx only) | Delayed-release tablets, IV injection, Granules for oral suspension |
| Common side effects | [object Object], [object Object], [object Object] | Headache (12%), Diarrhea (9%), Nausea (7%) |
| Cost tier | — | — |