Drug interactions
Influenza virus vaccine quadrivalent intranasal + Prednisone
Severity: Major
Influenza virus vaccine quadrivalent intranasal and Prednisone: major 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
The intranasal influenza vaccine is live attenuated, and immunosuppressive doses of prednisone may reduce its effect and allow vaccine virus replication. It is generally avoided in immunocompromised patients.
What this interaction means in plain words
Influenza virus vaccine quadrivalent intranasal and Prednisone can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Why it happens
Glucocorticoid immunosuppression impairs control of live attenuated virus and reduces vaccine response.
What to do
Use an inactivated injectable influenza vaccine instead in patients on immunosuppressive steroid doses. Low-dose or short-course steroids may not preclude live vaccine per local guidance.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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Other interactions of Prednisone
- Bcg vaccine live + Prednisone Contraindicated
- Measles vaccine + Prednisone Contraindicated
- Mifepristone + Prednisone Contraindicated
- Prednisone + Radium-223 dichloride Contraindicated
- Prednisone + Smallpox vaccine live Contraindicated
- Adenovirus types 4 and 7 live + Prednisone Major
Frequently asked questions
Can I take Influenza virus vaccine quadrivalent intranasal with Prednisone?
MediHelp rates the interaction as major. Influenza virus vaccine quadrivalent intranasal and Prednisone can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. The intranasal influenza vaccine is live attenuated, and immunosuppressive doses of prednisone may reduce its effect and allow vaccine virus replication. It is generally avoided in immunocompromised patients.
How serious is the interaction between Influenza virus vaccine quadrivalent intranasal and Prednisone?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Use an inactivated injectable influenza vaccine instead in patients on immunosuppressive steroid doses. Low-dose or short-course steroids may not preclude live vaccine per local guidance.
What other medicines interact with Prednisone?
MediHelp also lists interactions of Prednisone with, for example, Bcg vaccine live, Measles vaccine, Mifepristone. The full list is on the Prednisone page.
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