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Drug interactions

Antithymocyte globulin equine + Pneumococcal vaccine 13-valent

Severity: Moderate

Antithymocyte globulin equine and Pneumococcal vaccine 13-valent: 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

Equine antithymocyte globulin depletes T cells and may markedly reduce the response to pneumococcal conjugate vaccine, though the vaccine is safe.

What this interaction means in plain words

Antithymocyte globulin equine and Pneumococcal vaccine 13-valent 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

Profound T-cell depletion impairs T-cell-dependent antibody production.

What to do

Delay elective vaccination until lymphocyte recovery; vaccinate earlier only if the infection risk is high, then check response.

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 Antithymocyte globulin equine with Pneumococcal vaccine 13-valent?

MediHelp rates the interaction as moderate. Antithymocyte globulin equine and Pneumococcal vaccine 13-valent 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. Equine antithymocyte globulin depletes T cells and may markedly reduce the response to pneumococcal conjugate vaccine, though the vaccine is safe.

How serious is the interaction between Antithymocyte globulin equine and Pneumococcal vaccine 13-valent?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Delay elective vaccination until lymphocyte recovery; vaccinate earlier only if the infection risk is high, then check response.

What other medicines interact with Pneumococcal vaccine 13-valent?

MediHelp also lists interactions of Pneumococcal vaccine 13-valent with, for example, Adalimumab, Alefacept, Anakinra. The full list is on the Pneumococcal vaccine 13-valent page.

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