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Drug interactions

Influenza virus vaccine trivalent + Procarbazine

Severity: Moderate

Influenza virus vaccine trivalent and Procarbazine: 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

Procarbazine impairs immune competence and can reduce antibody responses to inactivated trivalent influenza vaccine. This may leave patients with suboptimal protection.

What this interaction means in plain words

Influenza virus vaccine trivalent 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

Give the vaccine at least 2 weeks before procarbazine if possible; consider revaccination about 3 months after therapy if given during treatment.

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 Influenza virus vaccine trivalent with Procarbazine?

MediHelp rates the interaction as moderate. Influenza virus vaccine trivalent 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 impairs immune competence and can reduce antibody responses to inactivated trivalent influenza vaccine. This may leave patients with suboptimal protection.

How serious is the interaction between Influenza virus vaccine trivalent 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: Give the vaccine at least 2 weeks before procarbazine if possible; consider revaccination about 3 months after therapy if given during treatment.

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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