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Drug interactions

Methylprednisolone + Tetanus toxoid adsorbed or fluid

Severity: Moderate

Methylprednisolone and Tetanus toxoid adsorbed or fluid: 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

Systemic corticosteroids can blunt the antibody response to inactivated vaccines such as tetanus toxoid, so protection may be lower than expected. The vaccine is not unsafe, and it does not carry the infection risk seen with live vaccines.

What this interaction means in plain words

Methylprednisolone and Tetanus toxoid adsorbed or fluid 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

Corticosteroid-induced immunosuppression reduces lymphocyte activation and antibody production after vaccination.

What to do

Give the vaccine when needed, ideally before starting or during low-dose therapy, and do not delay a tetanus booster for wound management. In patients on prolonged high-dose steroids consider checking antibody titres or repeating the dose after steroids are reduced.

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 Methylprednisolone with Tetanus toxoid adsorbed or fluid?

MediHelp rates the interaction as moderate. Methylprednisolone and Tetanus toxoid adsorbed or fluid 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. Systemic corticosteroids can blunt the antibody response to inactivated vaccines such as tetanus toxoid, so protection may be lower than expected. The vaccine is not unsafe, and it does not carry the infection risk seen with live vaccines.

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

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Give the vaccine when needed, ideally before starting or during low-dose therapy, and do not delay a tetanus booster for wound management. In patients on prolonged high-dose steroids consider checking antibody titres or repeating the dose after steroids are reduced.

What other medicines interact with Methylprednisolone?

MediHelp also lists interactions of Methylprednisolone with, for example, Bcg vaccine live, Measles mumps and rubella vaccine live, Measles mumps rubella and varicella vaccine live. The full list is on the Methylprednisolone page.

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