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Drug interactions

Meningococcal a c y and w-135 diphtheria conjugate vaccine + Procarbazine

Severity: Moderate

Meningococcal a c y and w-135 diphtheria conjugate vaccine and Procarbazine: moderate interaction.

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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

Procarbazine may reduce the immune response to the meningococcal conjugate vaccine. Patients may have inadequate protection against invasive meningococcal disease.

What this interaction means in plain words

Meningococcal a c y and w-135 diphtheria conjugate vaccine and Procarbazine 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

Chemotherapy-induced immunosuppression blunts the humoral response to vaccine antigens.

What to do

Vaccinate at least 2 weeks before procarbazine if feasible; if given during therapy, plan revaccination about 3 months after treatment once immune function recovers.

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 Meningococcal a c y and w-135 diphtheria conjugate vaccine with Procarbazine?

MediHelp rates the interaction as moderate. Meningococcal a c y and w-135 diphtheria conjugate vaccine and Procarbazine 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. Procarbazine may reduce the immune response to the meningococcal conjugate vaccine. Patients may have inadequate protection against invasive meningococcal disease.

How serious is the interaction between Meningococcal a c y and w-135 diphtheria conjugate vaccine and Procarbazine?

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 at least 2 weeks before procarbazine if feasible; if given during therapy, plan revaccination about 3 months after treatment once immune function recovers.

What other medicines interact with Procarbazine?

MediHelp also lists interactions of Procarbazine with, for example, Adenovirus types 4 and 7 live, Amitriptyline, Amoxapine. The full list is on the Procarbazine page.

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