Omeprazole
Prilosec, Prilosec OTC, First-Omeprazole, and generics
In combination with sodium bicarbonate: Zegerid, Zegerid OTC, and generics
Gastric acid pump inhibitor
| C | 2 | Yes | Yes | Yes |
| Key |
- Caps, sustained release: 10, 20, 40 mg; may contain magnesium
- Tabs, delayed release (Prilosec OTC and generics; OTC): 20 mg; may contain magnesium
- Oral suspension:
- First-Omeprazole: 2 mg/mL (90, 150, 300 mL); contains benzyl alcohol
- Compounded formulation: 2 mg/mL; contains ∼0.5 mEq sodium bicarbonate per 1 mg drug
- Granules for oral suspension (Prilosec): 2.5 and 10 mg packets (30s); contains magnesium
- In combination with sodium bicarbonate:
- Powder for oral suspension (Zegerid and generics): 20, 40 mg packets (30s); each packet (regardless of strength) contains 1680 mg (20 mEq) sodium bicarbonate
- Caps, immediate release (Zegerid, Zegerid OTC, and generics): 20 mg (OTC), 40 mg; each capsule (regardless of strength) contains 1100 mg (13.1 mEq) sodium bicarbonate
- Chewable tabs (Zegerid): 20 and 40 mg; each tab (regardless of strength) contains 600 mg (7.1 mEq) sodium bicarbonate and 700 mg magnesium hydroxide
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Citation
Hughes, Helen K., and Lauren K. Kahl, editors. "Omeprazole." Harriet Lane Handbook, 23rd ed., Elsevier, 2024. Harriet Lane, www.unboundmedicine.com/harrietlane/view/Harriet_Lane_Handbook/309679/2/Omeprazole.
Omeprazole. In: Hughes HKH, Kahl LKL, eds. Harriet Lane Handbook. Elsevier; 2024. https://www.unboundmedicine.com/harrietlane/view/Harriet_Lane_Handbook/309679/2/Omeprazole. Accessed August 26, 2026.
Omeprazole. (2024). In Hughes, H. K., & Kahl, L. K. (Eds.), Harriet Lane Handbook (23rd ed.). Elsevier. https://www.unboundmedicine.com/harrietlane/view/Harriet_Lane_Handbook/309679/2/Omeprazole
Omeprazole [Internet]. In: Hughes HKH, Kahl LKL, eds. Harriet Lane Handbook. Elsevier; 2024. [cited 2026 August 26]. Available from: https://www.unboundmedicine.com/harrietlane/view/Harriet_Lane_Handbook/309679/2/Omeprazole.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC
T1 - Omeprazole
ID - 309679
ED - Hughes,Helen K,
ED - Kahl,Lauren K,
BT - Harriet Lane Handbook
UR - https://www.unboundmedicine.com/harrietlane/view/Harriet_Lane_Handbook/309679/2/Omeprazole
PB - Elsevier
ET - 23
DB - Harriet Lane
DP - Unbound Medicine
ER -

Harriet Lane Handbook

