GERD Home > Prilosec Dosage

Generally, the dosage of Prilosec your healthcare provider recommends will vary depending on several factors, such as your age, the medical condition being treated, existing medical conditions, and other medications you are taking. Prilosec comes in the form of a capsule and is taken once or twice a day for a certain amount of time, depending on the condition being treated. The medication is best taken on an empty stomach, half an hour before a meal.

Prilosec Dosage: An Introduction

The dose of Prilosec® (omeprazole) that your healthcare provider recommends will vary, depending on a number of factors, including:
  • Your age
  • The medical condition being treated
  • Other medications you may be taking
  • Other medical conditions you may have.
As is always the case, do not adjust your dosage unless your healthcare provider specifically instructs you to do so.

Prescription Dosage of Prilosec

See below for the recommended dosages for the prescription version of Prilosec.
Helicobacter Pylori Infection
There are two different regimens for treating H. pylori infections. The triple therapy regimen consists of the following medications taken for 10 days (or for 28 days in people who currently have a duodenal ulcer):
The dual therapy regimen consists of the following medications taken for 14 days (or for 28 days for people who currently have a duodenal ulcer):
  • Prilosec 40 mg once daily
  • Clarithromycin (Biaxin) 500 mg three times daily.
Duodenal Ulcers
The recommended Prilosec dose for duodenal ulcer treatment is Prilosec 20 mg for four to eight weeks.
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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