Omeprazole
Proton Pump Inhibitor- Drug Class
- Proton Pump Inhibitor
- Mechanism of Action (MOA)
- Irreversibly inhibits the gastric H⁺/K⁺-ATPase (proton pump) → ↓ acid secretion.
- Clinical Notes
- GERD, PUD, H. pylori regimens. Long-term: ↓ Mg²⁺/B12/Ca²⁺, C. diff, fractures; inhibits clopidogrel activation. Take before meals.
- Source
- FDA label
Sources
Reviewed September 2026- FDA label — FDA / DailyMed
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