What's the recommended wait time for live flu vaccine after cosentyx?

How long should you wait after Cosentyx before getting a live flu vaccine?

Cosentyx (secukinumab) is an immune-modifying biologic that can increase infection risk. Live vaccines are generally avoided in people taking biologics like Cosentyx, because live vaccines contain weakened organisms that could cause infection in someone with reduced immune defenses.

Because the question asks for a “recommended wait time,” the key point is that there often is no safe, universally recommended delay that makes a live vaccine appropriate while on (or shortly after) treatment. Guidance is typically framed as: avoid live vaccines during treatment with agents like Cosentyx and until enough time has passed for immune function to recover—timing depends on the specific product label and local clinical guidance.

What if you need a flu shot soon anyway?

If you need flu protection, the safer route for patients on Cosentyx is usually an inactivated (non-live) influenza vaccine instead of a live attenuated nasal spray vaccine. Your clinician or pharmacist can confirm which flu product is appropriate for you.

What you can ask your clinician (to get the exact timing)

If your clinician is considering a live flu vaccine, ask them to check:
- Your specific Cosentyx dosing schedule (and when your last dose was)
- The product label guidance for live vaccines with secukinumab
- Whether you should switch to an inactivated flu vaccine instead

If you tell me whether you mean the live attenuated nasal spray (LAIV) or a standard injection vaccine, and when your last Cosentyx dose was, I can help you phrase a more precise question for your prescribing clinician.