Omeprazole: Side Effects, Uses & Monitoring
1 INDICATIONS AND USAGE 1.1 Treatment of Active Duodenal Ulcer Omeprazole delayed-release capsules are indicated for short-term treatment of active duodenal ulcer in adults.
- Data source
- FDA labeling via NIH DailyMed (label b4cd8ed1…)
- Label version
- current
- Last reviewed
- 2026
Reported adverse reactions
Reactions listed in current FDA labeling, with the highest frequency reported across summarized placebo-controlled trials.
No structured frequency data available in current labeling. Consult the official label.
Labeled uses (from FDA prescribing information)
1 INDICATIONS AND USAGE 1.1 Treatment of Active Duodenal Ulcer Omeprazole delayed-release capsules are indicated for short-term treatment of active duodenal ulcer in adults. Most patients heal within four weeks. Some patients may require an additional four weeks of therapy. 1.2 Helicobacter pylori Eradication to Reduce the Risk of Duodenal Ulcer Recurrence Eradication of H. pylori has been shown to reduce the risk of duodenal ulcer recurrence. Triple Therapy Omeprazole delayed-release capsules in combination with clarithromycin and amoxicillin, are indicated for treatment of patients with H. pylori infection and duodenal ulcer disease (active or up to 1-year history) to eradicate H. pylori in adults. Dual Therapy Omeprazole delayed-release capsules in combination with clarithromycin are indicated for treatment of patients with H. pylori infection and duodenal ulcer disease to eradicate H. pylori in adults. Among patients who fail therapy, omeprazole delayed-release capsules are with clarithromycin is more likely to be associated with the development of clarithromycin resistance as compared with triple therapy. In patients who fail therapy, susceptibility testing should be done. If …
Conditions associated with Omeprazole in labeling
Frequently Asked Questions
What is Omeprazole used for?
FDA labeling lists the approved uses shown above under "Labeled uses." This summary is informational; only a qualified prescriber can determine whether a medication is appropriate for you.
What are the most commonly reported side effects of Omeprazole?
Current labeling for this ingredient does not include a structured frequency table that we can reproduce. Review the official label linked below.
Does Omeprazole require lab monitoring?
Monitoring needs vary. Ask your healthcare provider whether any lab tests apply while taking Omeprazole.
Where does this information come from?
All clinical facts on this page were extracted from the current FDA-registered product labeling for this ingredient, published by manufacturers through NIH DailyMed. See the source link below.
Medical disclaimer: Educational content extracted from public FDA labeling. Not medical advice. Always consult a qualified healthcare professional before starting, stopping, or changing any medication.