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Drug interactions

Belimumab + Human papillomavirus vaccine

Severity: Moderate

Belimumab and Human papillomavirus vaccine: 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

Belimumab suppresses B-cell survival and may blunt the antibody response to HPV vaccination. Protection may therefore be lower than expected, although the vaccine is non-live and not unsafe.

What this interaction means in plain words

Belimumab and Human papillomavirus vaccine 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.

Belimumab belongs to Miscellaneous; Human papillomavirus vaccine belongs to Miscellaneous.

Evidence level: Low

Why it happens

Pharmacodynamic antagonism: belimumab inhibits BLyS and reduces B-cell mediated humoral immune responses.

What to do

Where possible, complete HPV vaccination before starting belimumab. If given during therapy, do not withhold the vaccine, and consider checking response or revaccinating when immunosuppression is reduced.

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 Belimumab with Human papillomavirus vaccine?

MediHelp rates the interaction as moderate. Belimumab and Human papillomavirus vaccine 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. Belimumab suppresses B-cell survival and may blunt the antibody response to HPV vaccination. Protection may therefore be lower than expected, although the vaccine is non-live and not unsafe.

How serious is the interaction between Belimumab and Human papillomavirus vaccine?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Where possible, complete HPV vaccination before starting belimumab. If given during therapy, do not withhold the vaccine, and consider checking response or revaccinating when immunosuppression is reduced.

What other medicines interact with Human papillomavirus vaccine?

MediHelp also lists interactions of Human papillomavirus vaccine with, for example, Antithymocyte globulin equine, Antithymocyte globulin rabbit, Atidarsagene autotemcel. The full list is on the Human papillomavirus vaccine page.

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