Drug interactions
Fludrocortisone + Measles mumps rubella and varicella vaccine live
Severity: Major
Fludrocortisone and Measles mumps rubella and varicella vaccine live: 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
MMRV is a live attenuated vaccine. Corticosteroid immunosuppression could permit vaccine virus replication and reduce seroconversion. Risk is greater with higher or prolonged steroid exposure than with replacement-dose fludrocortisone.
What this interaction means in plain words
Fludrocortisone and Measles mumps rubella and varicella vaccine live 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
Corticosteroid immunosuppression reduces control of live attenuated virus and blunts vaccine immunogenicity.
What to do
Avoid live vaccine while on immunosuppressive corticosteroid doses and defer until steroid exposure is reduced per local guidance. At replacement-only doses, vaccination may be acceptable after specialist review.
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 Fludrocortisone
Frequently asked questions
Can I take Fludrocortisone with Measles mumps rubella and varicella vaccine live?
MediHelp rates the interaction as major. Fludrocortisone and Measles mumps rubella and varicella vaccine live 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. MMRV is a live attenuated vaccine. Corticosteroid immunosuppression could permit vaccine virus replication and reduce seroconversion. Risk is greater with higher or prolonged steroid exposure than with replacement-dose fludrocortisone.
How serious is the interaction between Fludrocortisone and Measles mumps rubella and varicella vaccine live?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid live vaccine while on immunosuppressive corticosteroid doses and defer until steroid exposure is reduced per local guidance. At replacement-only doses, vaccination may be acceptable after specialist review.
What other medicines interact with Fludrocortisone?
MediHelp also lists interactions of Fludrocortisone with, for example, Mifepristone, Aldesleukin, Amphotericin b. The full list is on the Fludrocortisone page.
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