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Drug interactions

Influenza virus vaccine quadrivalent + Temsirolimus

Severity: Moderate

Influenza virus vaccine quadrivalent and Temsirolimus: 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

Temsirolimus may blunt the antibody response to inactivated influenza vaccine, reducing protection. The vaccine is still generally recommended for patients with cancer because influenza can be severe.

What this interaction means in plain words

Influenza virus vaccine quadrivalent and Temsirolimus 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

mTOR inhibition suppresses lymphocyte activation and so lessens vaccine-induced antibody production.

What to do

Give the inactivated vaccine annually, ideally before starting temsirolimus. Do not withhold it because of expected reduced response, and keep the patient's other protective measures in place.

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 quadrivalent with Temsirolimus?

MediHelp rates the interaction as moderate. Influenza virus vaccine quadrivalent and Temsirolimus 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. Temsirolimus may blunt the antibody response to inactivated influenza vaccine, reducing protection. The vaccine is still generally recommended for patients with cancer because influenza can be severe.

How serious is the interaction between Influenza virus vaccine quadrivalent and Temsirolimus?

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 inactivated vaccine annually, ideally before starting temsirolimus. Do not withhold it because of expected reduced response, and keep the patient's other protective measures in place.

What other medicines interact with Temsirolimus?

MediHelp also lists interactions of Temsirolimus with, for example, Bcg vaccine live, Influenza virus vaccine quadrivalent intranasal, Measles mumps and rubella vaccine live. The full list is on the Temsirolimus page.

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