Can You Get a Flu Shot Right After Cosentyx?
Yes, you can receive an immediate flu vaccine after a Cosentyx (secukinumab) dose. Cosentyx, an IL-17 inhibitor for psoriasis and other conditions, suppresses parts of the immune system but does not broadly impair vaccine responses like live vaccines do. The inactivated flu vaccine is safe and recommended without delay.[1][2]
What Do Cosentyx Prescribing Guidelines Say?
The Cosentyx label states no contraindications for inactivated vaccines, including flu shots. Live vaccines (e.g., nasal flu spray) should be avoided during treatment and for varying periods after stopping, but standard injectable flu vaccines are explicitly permitted at any time.[1]
Novartis, the manufacturer, aligns with this: patients on Cosentyx should get annual flu shots as part of routine care, with no required waiting period post-injection.[2]
Does Cosentyx Weaken Flu Vaccine Effectiveness?
Studies show Cosentyx has minimal impact on antibody responses to inactivated vaccines like flu shots. A trial in rheumatoid arthritis patients found protective antibody levels post-vaccination similar to non-biologic treatments.[3]
Real-world data supports this: psoriasis patients on secukinumab maintain adequate flu vaccine immunogenicity.[4]
What About Other Vaccines After Cosentyx?
| Vaccine Type | Timing After Cosentyx | Notes |
|--------------|-----------------------|-------|
| Inactivated (flu, COVID-19, pneumococcal) | Immediate | Recommended; full response expected.[1][2] |
| Live (nasal flu, shingles, MMR) | Avoid during treatment; wait 4+ weeks after last dose | Risk of infection from vaccine virus.[1] |
| Subunit/recombinant (HPV, hepatitis B) | Immediate | Safe and effective.[3] |
Why Might Doctors Still Delay?
Some providers wait 2-4 weeks out of caution for overlapping infections or minor immune modulation, but evidence does not support this for inactivated flu vaccines. Check with your rheumatologist or dermatologist for personalized advice, especially if you have other immunocompromising factors.[2][4]
Flu Vaccine Options for Cosentyx Users
High-dose or adjuvanted flu vaccines (e.g., Fluzone High-Dose, Fluad) may provide stronger protection for those on biologics. CDC recommends them for adults 65+ or high-risk groups.[5]
Sources:
[1] Cosentyx Prescribing Information (FDA)
[2] Novartis Cosentyx Vaccination Guidance
[3] Ann Rheum Dis: Secukinumab vaccine response study (2018)
[4] J Am Acad Dermatol: Psoriasis biologics and vaccines (2021)
[5] CDC Flu Vaccine Recommendations