Drug interactions
Japanese encephalitis virus vaccine + Methylprednisolone
Severity: Moderate
Japanese encephalitis virus vaccine and Methylprednisolone: 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
Methylprednisolone may weaken the immune response to inactivated Japanese encephalitis vaccine, leaving travelers less protected. It does not cause vaccine infection.
What this interaction means in plain words
Japanese encephalitis virus vaccine and Methylprednisolone 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.
Why it happens
Corticosteroid immunosuppression reduces antibody formation after vaccination.
What to do
Complete the series before travel and before steroid therapy where possible. Consider checking antibody levels if given during high-dose steroids and emphasise mosquito avoidance.
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?
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Other interactions of Methylprednisolone
- Bcg vaccine live + Methylprednisolone Contraindicated
- Measles mumps and rubella vaccine live + Methylprednisolone Contraindicated
- Measles mumps rubella and varicella vaccine live + Methylprednisolone Contraindicated
- Measles vaccine + Methylprednisolone Contraindicated
- Methylprednisolone + Mifepristone Contraindicated
- Methylprednisolone + Rubella vaccine Contraindicated
Frequently asked questions
Can I take Japanese encephalitis virus vaccine with Methylprednisolone?
MediHelp rates the interaction as moderate. Japanese encephalitis virus vaccine and Methylprednisolone 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. Methylprednisolone may weaken the immune response to inactivated Japanese encephalitis vaccine, leaving travelers less protected. It does not cause vaccine infection.
How serious is the interaction between Japanese encephalitis virus vaccine and Methylprednisolone?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Complete the series before travel and before steroid therapy where possible. Consider checking antibody levels if given during high-dose steroids and emphasise mosquito avoidance.
What other medicines interact with Methylprednisolone?
MediHelp also lists interactions of Methylprednisolone with, for example, Bcg vaccine live, Measles mumps and rubella vaccine live, Measles mumps rubella and varicella vaccine live. The full list is on the Methylprednisolone page.
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