Skip to content

Drug interactions

Human papillomavirus vaccine nonavalent + Ifosfamide

Severity: Moderate

Human papillomavirus vaccine nonavalent and Ifosfamide: 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

Chemotherapy immunosuppression from ifosfamide may weaken the antibody response to the HPV vaccine. Protection could be reduced if doses are given during treatment.

What this interaction means in plain words

Human papillomavirus vaccine nonavalent and Ifosfamide 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

Cytotoxic immunosuppression impairs the immune response to vaccination.

What to do

Give doses at least 2 weeks before chemotherapy where possible. Revaccinate or complete the series after immune recovery, about 3 months post-therapy.

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.

Pro+ members

Unlock the full page

Create an account and start a Pro+ trial to unlock the full management advice for Human papillomavirus vaccine nonavalent and Ifosfamide, the additional notes, the evidence detail and the whole-prescription interaction checker.

  • Full clinical management advice
  • Additional notes
  • Evidence detail
  • Interaction checker for a whole prescription

Try Pro+ free for 14 days on the web. No card needed.

Frequently asked questions

Can I take Human papillomavirus vaccine nonavalent with Ifosfamide?

MediHelp rates the interaction as moderate. Human papillomavirus vaccine nonavalent and Ifosfamide 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. Chemotherapy immunosuppression from ifosfamide may weaken the antibody response to the HPV vaccine. Protection could be reduced if doses are given during treatment.

How serious is the interaction between Human papillomavirus vaccine nonavalent and Ifosfamide?

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 doses at least 2 weeks before chemotherapy where possible. Revaccinate or complete the series after immune recovery, about 3 months post-therapy.

What other medicines interact with Ifosfamide?

MediHelp also lists interactions of Ifosfamide with, for example, Adenovirus types 4 and 7 live, Measles mumps and rubella vaccine, Measles mumps and rubella vaccine live. The full list is on the Ifosfamide page.

Full monographs, dosing and an interaction checker in the MediHelp app

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

Browse A–Z · Drug interactions

Get the app Sign in