Omeprazole Magnesium: Side Effects, Uses & Monitoring
1 INDICATIONS AND USAGE 1.1 Duodenal Ulcer (adults)PRILOSEC is indicated for short-term treatment of active duodenal ulcer in adults.
- Data source
- FDA labeling via NIH DailyMed (label d970b074…)
- 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 Duodenal Ulcer (adults)PRILOSEC is 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. PRILOSEC in combination with clarithromycin and amoxicillin, is 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. PRILOSEC, in combination with clarithromycin is indicated for treatment of patients with H. pylori infection and duodenal ulcer disease to eradicate H. pylori in adults. Eradication of H. pylori has been shown to reduce the risk of duodenal ulcer recurrence [see Clinical Studies (14.1) and Dosage and Administration (2) ]. Among patients who fail therapy, PRILOSEC 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 resistance to clarithromycin is demonstrated or susceptibility testing is not possible, alternative antimicrobial therapy should be instituted. [See Microbiology section (12…
Conditions associated with Omeprazole Magnesium in labeling
Frequently Asked Questions
What is Omeprazole Magnesium 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 Magnesium?
Current labeling for this ingredient does not include a structured frequency table that we can reproduce. Review the official label linked below.
Does Omeprazole Magnesium require lab monitoring?
Monitoring needs vary. Ask your healthcare provider whether any lab tests apply while taking Omeprazole Magnesium.
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.