Prilosec Dosage
Generic name: omeprazole
Drug class: Proton pump inhibitors
Medically reviewed by A Ras MD.
Recommended Adult Dosing
Dosage forms: DR GRANULE: 10 mg per pkt
GERD
- [non-erosive, symptomatic]
- Dose: 20 mg PO/NG qd x4-8wk; Info: give before meals; may open cap, see PPI Administration Alternatives table
- [erosive esophagitis, short-term tx]
- Dose: 20 mg PO/NG qd x4-12wk; Info: give before meals; may open cap, see PPI Administration Alternatives table
- [erosive esophagitis, maintenance tx]
- Dose: 20 mg PO/NG qd; Info: decr. dose to 10 mg PO/NG qd in Asian pts (incr. risk of CYP2C19 poor metabolizer); give before meals; may open cap, see PPI Administration Alternatives table
Gastric ulcer
- [40 mg PO/NG qd x4-8wk]
- Info: give before meals; may open cap, see PPI Administration Alternatives table
Duodenal ulcer
- [20-40 mg PO/NG qd x4-8wk]
- Info: maint. dose 20 mg/day; give before meals; may open cap, see PPI Administration Alternatives table
Hypersecretory conditions
- [individualize dose PO/NG qd-tid]
- Start: 60 mg PO/NG qd; Info: doses up to 120 mg PO tid have been used; divide doses >80 mg/day; give before meals; may open cap, see PPI Administration Alternatives table
H. pylori infection
- [triple/quadruple tx]
- Dose: 20 mg PO/NG bid x10-14 days; Info: part of multi-drug regimen, dosing may vary; search H. pylori Tx Regimens for guidelines; give omeprazole 20 mg PO/NG qd for additional 18 days if ulcer present; give before meals; may open cap, see PPI Administration Alternatives table
- [dual tx]
- Dose: 40 mg PO/NG qd w/ clarithromycin 500 mg PO tid x14 days; Info: not 1st-line tx, dosing may vary; search H. pylori Tx Regimens for guidelines; give omeprazole 20 mg PO/NG qd for additional 14 days if ulcer present; give before meals; may open cap, see PPI Administration Alternatives table
Gastric ulcer prophylaxis, NSAID-assoc.
- [20-40 mg PO/NG qd]
- Info: associated w/ NSAID use; give before meals; may open cap, see PPI Administration Alternatives table
Renal dosing
- [no adjustment]
- renal impairment: no adjustment
- HD/PD: no adjustment; no supplement
Hepatic dosing
- [erosive esophagitis, maintenance tx]
- hepatic impairment: 10 mg qd
- [all other indications]
- hepatic impairment: not defined
SRC: NLM .