Drug interactions
Dexamethasone + Rolapitant
Severity: Minor
Dexamethasone and Rolapitant: 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 is a CYP3A4 inducer and may modestly lower rolapitant levels with prolonged use. In antiemetic regimens it is given short term and is standard, so clinical impact is generally limited.
What this interaction means in plain words
Dexamethasone and Rolapitant 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; Rolapitant belongs to Gastrointestinal Tract.
Why it happens
Dexamethasone weakly to moderately induces CYP3A4, increasing rolapitant metabolism.
What to do
Short antiemetic dexamethasone courses can be used with rolapitant without adjustment. Review need if prolonged high-dose steroid therapy is planned and watch for breakthrough emesis.
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 Rolapitant
- Pimozide + Rolapitant Contraindicated
- Rolapitant + Thioridazine Contraindicated
- Atomoxetine + Rolapitant Major
- Deutetrabenazine + Rolapitant Major
- Eliglustat + Rolapitant Major
- Flecainide + Rolapitant Major
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 Rolapitant?
MediHelp rates the interaction as minor. Dexamethasone and Rolapitant 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 is a CYP3A4 inducer and may modestly lower rolapitant levels with prolonged use. In antiemetic regimens it is given short term and is standard, so clinical impact is generally limited.
How serious is the interaction between Dexamethasone and Rolapitant?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Short antiemetic dexamethasone courses can be used with rolapitant without adjustment. Review need if prolonged high-dose steroid therapy is planned and watch for breakthrough emesis.
What other medicines interact with Rolapitant?
MediHelp also lists interactions of Rolapitant with, for example, Pimozide, Thioridazine, Atomoxetine. The full list is on the Rolapitant page.
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