Drug interactions
Dexamethasone + Pacritinib
Severity: Minor
Dexamethasone and Pacritinib: 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 generally a CYP3A4 inducer, so the expected effect is a reduction rather than an increase in pacritinib exposure. The clinical effect is uncertain and probably modest.
What this interaction means in plain words
Dexamethasone and Pacritinib 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; Pacritinib belongs to Oncology.
Why it happens
Weak CYP3A4 induction by dexamethasone may increase pacritinib metabolism; the direction of effect is not firmly established.
What to do
Monitor spleen response and symptoms during prolonged dexamethasone therapy; no empiric dose change is 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 Pacritinib
- Clarithromycin + Pacritinib Contraindicated
- Ketoconazole + Pacritinib Contraindicated
- Pacritinib + Posaconazole Contraindicated
- Pacritinib + Voriconazole Contraindicated
- Amiodarone + Pacritinib Major
- Carbamazepine + Pacritinib Major
Frequently asked questions
Can I take Dexamethasone with Pacritinib?
MediHelp rates the interaction as minor. Dexamethasone and Pacritinib 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 generally a CYP3A4 inducer, so the expected effect is a reduction rather than an increase in pacritinib exposure. The clinical effect is uncertain and probably modest.
How serious is the interaction between Dexamethasone and Pacritinib?
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 spleen response and symptoms during prolonged dexamethasone therapy; no empiric dose change is 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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