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Drug interactions

Amoxicillin-clavulanic acid + Omadacycline

Severity: Moderate

Amoxicillin-clavulanic acid and Omadacycline: moderate interaction.

Last updated

For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.

Summary

Omadacycline is a bacteriostatic tetracycline that may theoretically blunt penicillin bactericidal effects. There is limited clinical evidence of harm. Relevance is greatest in serious infections.

What this interaction means in plain words

Amoxicillin-clavulanic acid and Omadacycline can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.

Amoxicillin-clavulanic acid belongs to Anti Bacterial; Omadacycline belongs to Anti Bacterial.

Evidence level: Low

Why it happens

Pharmacodynamic antagonism: inhibition of bacterial growth reduces the activity of beta-lactams that act on dividing cells.

What to do

Avoid combining for severe infections unless dual therapy is clearly justified. Monitor clinical response if used together.

What to ask your pharmacist

  • Should I take them at different times of day?
  • Does the dose of either medicine need to change?
  • Is there anything I should avoid, such as alcohol or certain foods, while on both?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Amoxicillin-clavulanic acid with Omadacycline?

MediHelp rates the interaction as moderate. Amoxicillin-clavulanic acid and Omadacycline can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Omadacycline is a bacteriostatic tetracycline that may theoretically blunt penicillin bactericidal effects. There is limited clinical evidence of harm. Relevance is greatest in serious infections.

How serious is the interaction between Amoxicillin-clavulanic acid and Omadacycline?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid combining for severe infections unless dual therapy is clearly justified. Monitor clinical response if used together.

What other medicines interact with Amoxicillin-clavulanic acid?

MediHelp also lists interactions of Amoxicillin-clavulanic acid with, for example, Methotrexate, Pexidartinib, Pretomanid. The full list is on the Amoxicillin-clavulanic acid page.

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