Drug interactions
Dexamethasone + Iloperidone
Severity: Minor
Dexamethasone and Iloperidone: 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 iloperidone concentrations, reducing antipsychotic effect. Iloperidone may modestly raise dexamethasone exposure.
What this interaction means in plain words
Dexamethasone and Iloperidone 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 belongs to Endocrine; Iloperidone belongs to Central Nervous System.
Why it happens
Dexamethasone induces CYP3A4, whereas iloperidone is a weak time-dependent CYP3A inhibitor.
What to do
Monitor psychiatric response during prolonged dexamethasone therapy and adjust the iloperidone 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
Other interactions of Iloperidone
- Iloperidone + Thioridazine Contraindicated
- Alfuzosin + Iloperidone Major
- Amiodarone + Iloperidone Major
- Amisulpride + Iloperidone Major
- Amitriptyline + Iloperidone Major
- Anagrelide + Iloperidone Major
Frequently asked questions
Can I take Dexamethasone with Iloperidone?
MediHelp rates the interaction as minor. Dexamethasone and Iloperidone 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 iloperidone concentrations, reducing antipsychotic effect. Iloperidone may modestly raise dexamethasone exposure.
How serious is the interaction between Dexamethasone and Iloperidone?
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 psychiatric response during prolonged dexamethasone therapy and adjust the iloperidone 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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