Drug interactions
Dexamethasone + Isradipine
Severity: Minor
Dexamethasone and Isradipine: 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
Dexamethasone may lower isradipine concentrations through CYP3A4 induction, potentially weakening blood pressure control. The effect is likely modest.
What this interaction means in plain words
Dexamethasone and Isradipine 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
CYP3A4 induction by dexamethasone increases isradipine metabolism.
What to do
Monitor blood pressure when dexamethasone is started or stopped and adjust isradipine dose if needed.
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 Dexamethasone
- Bcg vaccine live + Dexamethasone Contraindicated
- Dexamethasone + Mifepristone Contraindicated
- Dexamethasone + Rilpivirine Contraindicated
- Dexamethasone + Smallpox vaccine live Contraindicated
- Dexamethasone + Varicella virus vaccine live Contraindicated
- Dexamethasone + Yellow fever vaccine Contraindicated
Frequently asked questions
Can I take Dexamethasone with Isradipine?
MediHelp rates the interaction as minor. Dexamethasone and Isradipine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Dexamethasone may lower isradipine concentrations through CYP3A4 induction, potentially weakening blood pressure control. The effect is likely modest.
How serious is the interaction between Dexamethasone and Isradipine?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor blood pressure when dexamethasone is started or stopped and adjust isradipine dose if needed.
What other medicines interact with Dexamethasone?
MediHelp also lists interactions of Dexamethasone with, for example, Bcg vaccine live, Mifepristone, Rilpivirine. The full list is on the Dexamethasone page.
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