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Drug interactions

Tacrolimus + Tetanus toxoid adsorbed or fluid

Severity: Minor

Tacrolimus and Tetanus toxoid adsorbed or fluid: minor 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

Tacrolimus may reduce the antibody response to tetanus toxoid. The toxoid is non-live and safe, so vaccination remains advisable despite a weaker response.

What this interaction means in plain words

Tacrolimus and Tetanus toxoid adsorbed or fluid have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Evidence level: Moderate

Why it happens

Calcineurin inhibition modestly dampens T-cell dependent antibody production.

What to do

Vaccinate on the routine schedule and give tetanus immunoglobulin for high-risk wounds if the history or response is uncertain.

What to ask your pharmacist

  • Is there anything I should notice while taking both?
  • Do I need to tell my doctor at the next visit?

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 Tacrolimus with Tetanus toxoid adsorbed or fluid?

MediHelp rates the interaction as minor. Tacrolimus and Tetanus toxoid adsorbed or fluid have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Tacrolimus may reduce the antibody response to tetanus toxoid. The toxoid is non-live and safe, so vaccination remains advisable despite a weaker response.

How serious is the interaction between Tacrolimus and Tetanus toxoid adsorbed or fluid?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Vaccinate on the routine schedule and give tetanus immunoglobulin for high-risk wounds if the history or response is uncertain.

What other medicines interact with Tacrolimus?

MediHelp also lists interactions of Tacrolimus with, for example, Adenovirus types 4 and 7 live, Bcg vaccine live, Cidofovir. The full list is on the Tacrolimus page.

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