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Omeprazole-Amoxicill-Rifabutin

As of the last update, we have found no reported interactions between this medicine and specific foods, supplements, or other compounds. It is possible that unknown interactions exist. Taking medicines with meals, on an empty stomach, or with alcohol may influence their effects; refer to the Uses and Precautions tabs or to the manufacturers’ package information for details as this is not covered in Nutrient Interactions. If you take medication, always discuss the potential risks and benefits of adding a new supplement with your doctor or pharmacist.

What Are Nutrient Interactions

Drug Interactions

Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.

Some products that may interact with this drug are: azole antifungals (itraconazole, ketoconazole, posaconazole, voriconazole), clopidogrel, methotrexate (especially high-dose treatment), voriconazole.

Rifabutin can speed up the removal of other medications from your body, which may affect how they work. Examples of affected drugs include artemether/lumefantrine, lurasidone, mavacamten, phenytoin, ranolazine, suvorexant, calcium channel blockers (such as diltiazem, nifedipine, verapamil), certain products used to treat chronic hepatitis C (such as daclatasvir, ombitasvir/paritaprevir/ritonavir), among others.

Other medications can affect the removal of omeprazole from your body, which may affect how omeprazole works. Examples include rifampin, St. John's wort, among others.

Some products need stomach acid so that the body can absorb them properly. Omeprazole decreases stomach acid, so it may change how well these products work. Some affected products include atazanavir, erlotinib, levoketoconazole, nelfinavir, pazopanib, rilpivirine, sparsentan, among others.

This medication may decrease the effectiveness of hormonal birth control such as pills, patch, or ring. This could cause pregnancy. Discuss with your doctor or pharmacist if you should use reliable backup birth control methods while using this medication. Also tell your doctor if you have any new spotting or breakthrough bleeding, because these may be signs that your birth control is not working well.

Omeprazole is very similar to esomeprazole. Do not use any medications containing esomeprazole while using omeprazole.

This medication may interfere with certain lab tests (including urine glucose test), possibly causing false test results. Make sure lab personnel and all your doctors know you use this drug.

RxAnswers™ is a copyrighted combined product from TraceGains and First DataBank, Inc.

Drug information is selected from data included with permission and copyrighted by First DataBank, Inc. This is a summary and does not contain all possible information about this product. For complete information about this product or your specific health needs, ask your healthcare professional. Always seek the advice of your healthcare professional if you have any questions about this product or your medical condition. This information is not intended as individual medical advice and does not substitute for the knowledge and judgment of your healthcare professional. This information does not contain any assurances that this product is safe, effective or appropriate for you.

This information is intended only for residents of the United States. Products sold under the same brand names in other countries may contain different ingredients.

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There are some limitations on the information provided in “Nutrient Interactions.” Do NOT rely solely on the information in this article. Please read the disclaimer.

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TraceGains and/or its suppliers make no warranties or representations as to the accuracy or completeness of this content herein or that of any organization referred or linked to within this content and will not be liable for any damages arising out of your access to or use of any information found herein or that of any organization referred to within this content.

Information expires December 2025.