Drug interactions
Hydrocortisone + Japanese encephalitis virus vaccine
Severity: Minor
Hydrocortisone and Japanese encephalitis virus vaccine: minor 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
Current Japanese encephalitis vaccines are generally inactivated, so there is no replication risk. Corticosteroids may weaken the immune response, which matters for travellers needing reliable protection.
What this interaction means in plain words
Hydrocortisone and Japanese encephalitis virus vaccine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Corticosteroid immunosuppression may reduce vaccine-induced antibody production.
What to do
Vaccinate on schedule and consider checking antibody response in patients on high-dose long-term steroids if protection is critical. Complete the series well before travel.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Hydrocortisone
- Hydrocortisone + Mifepristone Contraindicated
- Hydrocortisone + Poliovirus vaccine live oral trivalent Contraindicated
- Hydrocortisone + Smallpox vaccine live Contraindicated
- Adenovirus types 4 and 7 live + Hydrocortisone Major
- Aldesleukin + Hydrocortisone Major
- Aspirin + Hydrocortisone Major
Frequently asked questions
Can I take Hydrocortisone with Japanese encephalitis virus vaccine?
MediHelp rates the interaction as minor. Hydrocortisone and Japanese encephalitis virus vaccine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Current Japanese encephalitis vaccines are generally inactivated, so there is no replication risk. Corticosteroids may weaken the immune response, which matters for travellers needing reliable protection.
How serious is the interaction between Hydrocortisone and Japanese encephalitis virus vaccine?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Vaccinate on schedule and consider checking antibody response in patients on high-dose long-term steroids if protection is critical. Complete the series well before travel.
What other medicines interact with Hydrocortisone?
MediHelp also lists interactions of Hydrocortisone with, for example, Mifepristone, Poliovirus vaccine live oral trivalent, Smallpox vaccine live. The full list is on the Hydrocortisone page.
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