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Drug interactions

Deflazacort + Pneumococcal vaccine polyvalent

Severity: Moderate

Deflazacort and Pneumococcal vaccine polyvalent: 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

Corticosteroids can reduce antibody responses to polysaccharide pneumococcal vaccine. Patients on steroids are at higher risk of pneumococcal infection, so vaccination remains valuable.

What this interaction means in plain words

Deflazacort and Pneumococcal vaccine polyvalent 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

Glucocorticoid immunosuppression decreases antibody production following vaccination.

What to do

Vaccinate per schedule, preferably before long-term steroids. Follow local guidance on revaccination for immunocompromised patients.

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 Deflazacort with Pneumococcal vaccine polyvalent?

MediHelp rates the interaction as moderate. Deflazacort and Pneumococcal vaccine polyvalent 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. Corticosteroids can reduce antibody responses to polysaccharide pneumococcal vaccine. Patients on steroids are at higher risk of pneumococcal infection, so vaccination remains valuable.

How serious is the interaction between Deflazacort and Pneumococcal vaccine polyvalent?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Vaccinate per schedule, preferably before long-term steroids. Follow local guidance on revaccination for immunocompromised patients.

What other medicines interact with Deflazacort?

MediHelp also lists interactions of Deflazacort with, for example, Adenovirus types 4 and 7 live, Bcg vaccine live, Influenza virus vaccine quadrivalent intranasal. The full list is on the Deflazacort page.

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