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Drug interactions

Dexamethasone + Human papillomavirus vaccine nonavalent

Severity: Minor

Dexamethasone and Human papillomavirus vaccine nonavalent: minor 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

Corticosteroids at higher than physiologic doses may blunt the antibody response to vaccines. The HPV vaccine is non-live, so it is safe to give but protection may be reduced.

What this interaction means in plain words

Dexamethasone and Human papillomavirus vaccine nonavalent have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Evidence level: Moderate

Why it happens

Corticosteroid immunosuppression reduces vaccine-induced immune responses.

What to do

Give the vaccine when feasible before starting immunosuppressive doses or after dose reduction; do not withhold vaccination if timing cannot be changed.

What to ask your pharmacist

  • Is there anything I should notice while taking both?
  • Do I need to tell my doctor at the next visit?

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 Dexamethasone with Human papillomavirus vaccine nonavalent?

MediHelp rates the interaction as minor. Dexamethasone and Human papillomavirus vaccine nonavalent have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Corticosteroids at higher than physiologic doses may blunt the antibody response to vaccines. The HPV vaccine is non-live, so it is safe to give but protection may be reduced.

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

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Give the vaccine when feasible before starting immunosuppressive doses or after dose reduction; do not withhold vaccination if timing cannot be changed.

What other medicines interact with Dexamethasone?

MediHelp also lists interactions of Dexamethasone with, for example, Bcg vaccine live, Mifepristone, Rilpivirine. The full list is on the Dexamethasone page.

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