Drug interactions
Human papillomavirus vaccine + Siponimod
Severity: Moderate
Human papillomavirus vaccine and Siponimod: 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
Siponimod sequesters lymphocytes in lymphoid tissue and may blunt vaccine responses. The HPV vaccine is non-live and safe, but may be less effective.
What this interaction means in plain words
Human papillomavirus vaccine and Siponimod 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.
Human papillomavirus vaccine belongs to Miscellaneous; Siponimod belongs to Central Nervous System.
Why it happens
S1P receptor modulation reduces circulating lymphocytes and may lower vaccine-induced antibody responses.
What to do
Where possible vaccinate at least a few weeks before starting siponimod, or consider pausing therapy around vaccination per specialist advice; consider checking response if protection is critical.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Human papillomavirus vaccine and Siponimod, 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.
Other interactions of Human papillomavirus vaccine
- Antithymocyte globulin equine + Human papillomavirus vaccine Moderate
- Antithymocyte globulin rabbit + Human papillomavirus vaccine Moderate
- Atidarsagene autotemcel + Human papillomavirus vaccine Moderate
- Belimumab + Human papillomavirus vaccine Moderate
- Cortisone + Human papillomavirus vaccine Moderate
- Cyclosporine + Human papillomavirus vaccine Moderate
Other interactions of Siponimod
- Cladribine + Siponimod Contraindicated
- Fingolimod + Siponimod Contraindicated
- Fluconazole + Siponimod Contraindicated
- Influenza virus vaccine quadrivalent intranasal + Siponimod Contraindicated
- Ponesimod + Siponimod Contraindicated
- Siponimod + Thioridazine Contraindicated
Frequently asked questions
Can I take Human papillomavirus vaccine with Siponimod?
MediHelp rates the interaction as moderate. Human papillomavirus vaccine and Siponimod 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. Siponimod sequesters lymphocytes in lymphoid tissue and may blunt vaccine responses. The HPV vaccine is non-live and safe, but may be less effective.
How serious is the interaction between Human papillomavirus vaccine and Siponimod?
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 vaccinate at least a few weeks before starting siponimod, or consider pausing therapy around vaccination per specialist advice; consider checking response if protection is critical.
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.
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.
