What drug class is omeprazole?

omeprazole is classified as a Proton Pump Inhibitors.

Is there a generic version of omeprazole?

Yes, generic versions of omeprazole are available. See the Exact Equivalents section above for FDA-rated generic alternatives.

How does omeprazole work?

omeprazole mechanism of action information is available in the Drug Information section of this page.

Omeprazole

Also sold as: Yosprala, Prilosec, Talicia, Konvomep, Zegerid Reformulated Aug 2006 (+1 more)

Proton Pump InhibitorsPrescription OnlyGeneric Available

Dose Equivalency Guide

Approximate equivalent doses within Proton Pump Inhibitors

Drug	Low Dose	Medium Dose	High Dose	Notes
omeprazole (this drug)	10 mg	20 mg	40 mg	OTC available; take 30-60min before meals
esomeprazole	10 mg	20 mg	40 mg	S-isomer of omeprazole; similar efficacy
lansoprazole	15 mg	30 mg	30 mg BID	OTC available
pantoprazole	20 mg	40 mg	40 mg BID	Fewest drug interactions of PPIs
rabeprazole	10 mg	20 mg	20 mg BID	Fastest onset of action
dexlansoprazole	30 mg	30 mg	60 mg	Dual-release; can be taken without regard to food

Source: AGA Clinical Practice Guidelines

View Proton Pump Inhibitors dose reference chart →

Related Medications

Important: Only drugs listed as "Exact Equivalents" (FDA AB-rated) are confirmed interchangeable. All other listings are for informational reference only and do NOT indicate that drugs can be substituted without a physician's explicit guidance.

Same Pharmacologic Class

These drugs share a pharmacologic classification but are NOT interchangeable. Listing here does not imply clinical equivalence. A physician must evaluate each drug individually for the patient's specific condition.

Classification: Proton Pump Inhibitors (source: RxClass/NLM)

Insurance Coverage User-Reported

Community Data Disclaimer: Insurance coverage information below was submitted by RxSaurus users and has not been verified by RxSaurus. Coverage varies by plan, year, geography, and individual circumstances. Drug formulary status, prior authorization requirements, and tier placements change frequently. Always verify coverage directly with the patient's insurance plan or pharmacy benefits manager before prescribing or dispensing.

No community coverage data yet for omeprazole.

Coverage data submission coming soon.

Drug Information

Indications & Uses

Use(s) treats frequent heartburn (occurs 2 or more days a week) not intended for immediate relief of heartburn; this drug may take 1 to 4 days for full effect

Dosage & Administration

Directions for adults 18 years of age and older this product is to be used once a day (every 24 hours), every day for 14 days it may take 1 to 4 days for full effect; some people get complete relief of symptoms within 24 hours 14-Day Course of Treatment swallow 1 tablet with a glass of water before eating in the morning take every day for 14 days do not take more than 1 tablet a day do not use for more than 14 days unless directed by your doctor swallow whole. Do not chew or crush tablets Repeated 14-Day Courses (if needed) you may repeat a 14-day course every 4 months do not take for more than 14 days or more often than every 4 months unless directed by a doctor children under 18 years of age: ask a doctor. Heartburn in children may sometimes be caused by a serious condition.

Warnings & Precautions

Warnings Allergy alert: do not use if you are allergic to omeprazole omeprazole may cause severe skin reactions. Symptoms may include: skin reddening blisters rash If an allergic reaction occurs, stop use and seek medical help right away. Do not use if you have: trouble or pain swallowing food, vomiting with blood, or bloody or black stools heartburn with lightheadedness, sweating or dizziness chest pain or shoulder pain with shortness of breath; sweating; pain spreading to arms, neck or shoulders; or lightheadednes frequent chest pain These may be signs of a serious condition. See your doctor. Ask a doctor before use if you have : had heartburn over 3 months. This may be a sign of a more serious condition. frequent wheezing, particularly with heartburn unexplained weight loss nausea or vomiting stomach pain Ask a doctor or pharmacist before use if you are taking a prescription drug. Acid reducers may interact with certain prescription drugs. Stop use and ask doctor if: your heartburn continues or worsens you need to take this product for more than 14 days you need to take more than 1 course of treatment every 4 months you get diarrhea you develop a rash or joint pain If pregnant or breast-feeding, ask a health professional before use. Keep out of reach of children. In case of overdose, get medical help or contact a Poison Control Center right away (1-800-222-1222)

Verify with Primary Sources

Always verify clinical information with authoritative sources.

DailyMed (NLM/NIH)FDA-approved drug labeling↗FDA Orange BookTherapeutic equivalence data↗RxNorm (NLM/NIH)Drug nomenclature & relationships↗