Are you tired of high medication costs? Our service offers unbeatable savings on your omeprazole prescription medication. We provide a range of solutions to help you save up to 100% on your medication costs*. Whether you are insured, uninsured, underinsured, or simply looking to reduce your out-of-pocket expenses, we've got you covered.

Manufactured by various FDA-approved generic manufacturers.

*You can pay as little as $0 per fill using Drug Coupons or Patient Assistance Programs. Subject to applicability & eligibility requirements.

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omeprazole cost saving options available to you

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omeprazole Uses, Side Effects, Interactions, Warnings & Dosing

What dosages is omeprazole available in?

What dosages is omeprazole available in?

omeprazole is available as a 20 mg oral tablet.

What is omeprazole used for?

What is omeprazole used for?

omeprazole is a proton pump inhibitor that is used to treat heartburn.

How does omeprazole work?

How does omeprazole work?

omeprazole is a proton pump inhibitor (PPI). It blocks acid from getting “pumped” into the stomach. This helps relieve heartburn and other medical conditions that cause too much stomach acid.

How do I take omeprazole?

How do I take omeprazole?

omeprazole is typically taken as 20 mg by mouth once daily in the morning for 2 weeks.

Is it safe for me to take omeprazole?

Is it safe for me to take omeprazole?

omeprazole is a safe and effective treatment when used for FDA licensed indications. However, like all medications, they may give you unwanted side effects. You should always discuss potential side effects with your physician to ensure the medication is suitable and right for you. You should not use this medication if you have a known hypersensitivity to any component of the formulation or substituted benzimidazoles (angioedema and anaphylaxis have occurred)

omeprazole Common Side Effects

omeprazole Common Side Effects

Common side effects of omeprazole:

  • Headache
  • Belly pain
  • Nausea
  • Diarrhea
  • Vomiting
  • Passing gas
omeprazole Serious Side Effects

omeprazole Serious Side Effects

Serious side effects are rare with omeprazole. Contact your healthcare provider immediately if you experience any of the following.

  • Severe stomach pain or diarrhea
  • Kidney problems: urinating more or less than usual, fever, poor appetite, blood in urine
  • Lupus symptoms: joint pain, skin rash on arms or cheeks that gets worse in the sunlight
  • Serious allergic reaction: blistering, peeling, or bleeding skin; fever; chills; trouble breathing; face swelling
Effects of other drugs, drug classes and over-the-counter products on omeprazole

Effects of other drugs, drug classes and over-the-counter products on omeprazole

The following medications may interact with omeprazole:

  • Atazanavir and nelfinavir: omeprazole reduces plasma levels of atazanavir and nelfinavir. Concomitant use is not recommended
  • Saquinavir: omeprazole increases plasma levels of saquinavir. Monitor for toxicity and consider dose reduction of saquinavir
  • May interfere with drugs for which gastric pH affects bioavailability (e.g., ketoconazole, iron salts, ampicillin esters, and digoxin)
  • Patients treated with omeprazole and digoxin may need to be monitored for increases in digoxin toxicity.
  • Co-administration of clopidogrel with 80 mg omeprazole may reduce the pharmacological activity of clopidogrel if given concomitantly or if given 12 hours apart.
  • Cilostazol: omeprazole increases systemic exposure of cilostazol and one of its active metabolites. Consider dose reduction of cilostazol
  • Drugs metabolized by cytochrome P450 (e.g., diazepam, warfarin, phenytoin, cyclosporine, disulfiram, benzodiazepines): PRILOSEC can prolong their elimination. Monitor and determine need for dose adjustments
  • Patients treated with proton pump inhibitors and warfarin may need to be monitored for increases in INR and prothrombin time
  • Combined inhibitor of CYP 2C19 and 3A4 (e.g. voriconazole) may raise omeprazole levels
  • Tacrolimus: omeprazole may increase serum levels of tacrolimus
  • Methotrexate: omeprazole may increase serum levels of methotrexate
Who makes omeprazole?

Who makes omeprazole?

Various FDA-approved generic manufacturers

Is omeprazole safe in pregnancy?

Is omeprazole safe in pregnancy?

It is not known if omeprazole will harm your unborn baby. You should talk to your healthcare provider before taking this medication if you are pregnant.


What to do if you missed your omeprazole dose

The FDA's medical product safety reporting program for health professionals, patients and consumers.

Learn more about reporting side effects
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Medical Disclaimer

NowPatient has taken all reasonable steps to ensure that all material is factually accurate, complete, and current. However, the knowledge and experience of a qualified healthcare professional should always be sought after instead of using the information on this page. Before taking any drug, you should always speak to your doctor or another qualified healthcare provider.

The information provided here about medications is subject to change and is not meant to include all uses, precautions, warnings, directions, drug interactions, allergic reactions, or negative effects. The absence of warnings or other information for a particular medication does not imply that the medication or medication combination is appropriate for all patients or for all possible purposes.

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