Amoxicillin and clavulanate and Omeprazole interaction

Amoxicillin and clavulanate and Omeprazole: the Omeprazole prescribing label flag this combination with the strongest language, such as a contraindication, a boxed warning, or an instruction to avoid it.

Major

Do not combine without a prescriber's guidance. The label language below is the strongest FDA uses.

What the FDA labels say

From the Omeprazole (Prilosec) label · effective 2024-03-19

Major

• For information about contraindications of antibacterial agents (clarithromycin and amoxicillin) indicated in combination with PRILOSEC, refer to the CONTRAINDICATIONS section of their package inserts.

Contraindicationsnames Amoxicillin and clavulanateView label on DailyMed
Major

• Refer to the Contraindications section of the prescribing information for clarithromycin and amoxicillin, when administered in combination with PRILOSEC.

Contraindicationsnames Amoxicillin and clavulanateView label on DailyMed
Major

Combination Therapy with Clarithromycin and Amoxicillin Clinical Impact: Concomitant administration of clarithromycin with other drugs can lead to serious adverse reactions, including potentially fatal arrhythmias, and are contraindicated.

Drug interactionsnames Amoxicillin and clavulanateView label on DailyMed
Moderate

For more information specific to antibacterial agents (clarithromycin and amoxicillin) indicated for use in combination with PRILOSEC, refer to Warnings and Precautions sections of the corresponding prescribing information.

Warnings and precautionsnames Amoxicillin and clavulanateView label on DailyMed
Minor

Amoxicillin also has drug interactions.

Drug interactionsnames Amoxicillin and clavulanateView label on DailyMed

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Not medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.