Drug interactions
Chloramphenicol + Duvelisib
Severity: Major
Chloramphenicol and Duvelisib: major 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
Chloramphenicol may inhibit CYP3A4 and increase duvelisib exposure, raising the risk of serious infections, diarrhea or colitis, cutaneous reactions and pneumonitis.
What this interaction means in plain words
Chloramphenicol and Duvelisib can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Chloramphenicol belongs to Anti Bacterial; Duvelisib belongs to Oncology.
Why it happens
Inhibition of CYP3A4-mediated metabolism of duvelisib.
What to do
Reduce duvelisib to the labeled lower dose with strong CYP3A4 inhibitors, and monitor for infection and toxicity. Use an alternative antibiotic if possible.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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Other interactions of Chloramphenicol
Other interactions of Duvelisib
- Duvelisib + Ergotamine Contraindicated
- Alfuzosin + Duvelisib Major
- Apalutamide + Duvelisib Major
- Avanafil + Duvelisib Major
- Carbamazepine + Duvelisib Major
- Clarithromycin + Duvelisib Major
Frequently asked questions
Can I take Chloramphenicol with Duvelisib?
MediHelp rates the interaction as major. Chloramphenicol and Duvelisib can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Chloramphenicol may inhibit CYP3A4 and increase duvelisib exposure, raising the risk of serious infections, diarrhea or colitis, cutaneous reactions and pneumonitis.
How serious is the interaction between Chloramphenicol and Duvelisib?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Reduce duvelisib to the labeled lower dose with strong CYP3A4 inhibitors, and monitor for infection and toxicity. Use an alternative antibiotic if possible.
What other medicines interact with Chloramphenicol?
MediHelp also lists interactions of Chloramphenicol with, for example, Adagrasib, Avapritinib, Bcg vaccine live. The full list is on the Chloramphenicol page.
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