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Drug interactions

Cefadroxil + Cholera vaccine

Severity: Moderate

Cefadroxil and Cholera vaccine: 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

The oral live attenuated cholera vaccine can be inactivated by active antibiotics, reducing immune response.

What this interaction means in plain words

Cefadroxil and Cholera vaccine 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.

Evidence level: Moderate

Why it happens

Antibacterial activity against the live attenuated vaccine strain reduces its replication and immunogenicity.

What to do

Avoid vaccination within 14 days of antibiotic use, as per labeling; defer the vaccine until the course is completed.

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 Cefadroxil with Cholera vaccine?

MediHelp rates the interaction as moderate. Cefadroxil and Cholera vaccine 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. The oral live attenuated cholera vaccine can be inactivated by active antibiotics, reducing immune response.

How serious is the interaction between Cefadroxil and Cholera vaccine?

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 vaccination within 14 days of antibiotic use, as per labeling; defer the vaccine until the course is completed.

What other medicines interact with Cefadroxil?

MediHelp also lists interactions of Cefadroxil with, for example, Amikacin, Avelumab, Balstilimab. The full list is on the Cefadroxil page.

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