Drug interactions
Azathioprine + Pexidartinib
Severity: Major
Azathioprine and Pexidartinib: 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
Pexidartinib carries a risk of serious, sometimes fatal, liver injury, and azathioprine can also cause hepatotoxicity. Using both increases the risk of liver damage.
What this interaction means in plain words
Azathioprine and Pexidartinib 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.
Azathioprine belongs to Gastrointestinal Tract; Pexidartinib belongs to Oncology.
Why it happens
Additive hepatotoxicity from two drugs that can independently injure the liver.
What to do
Avoid coadministration where an alternative exists. If unavoidable, check liver tests at baseline and frequently during treatment, and stop pexidartinib if hepatotoxicity develops.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Azathioprine and Pexidartinib, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 14 days on the web. No card needed.
Other interactions of Azathioprine
- Adenovirus types 4 and 7 live + Azathioprine Contraindicated
- Azathioprine + Bcg vaccine live Contraindicated
- Azathioprine + Febuxostat Contraindicated
- Azathioprine + Influenza virus vaccine quadrivalent intranasal Contraindicated
- Azathioprine + Measles mumps and rubella vaccine Contraindicated
- Azathioprine + Measles mumps and rubella vaccine live Contraindicated
Other interactions of Pexidartinib
Frequently asked questions
Can I take Azathioprine with Pexidartinib?
MediHelp rates the interaction as major. Azathioprine and Pexidartinib 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. Pexidartinib carries a risk of serious, sometimes fatal, liver injury, and azathioprine can also cause hepatotoxicity. Using both increases the risk of liver damage.
How serious is the interaction between Azathioprine and Pexidartinib?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid coadministration where an alternative exists. If unavoidable, check liver tests at baseline and frequently during treatment, and stop pexidartinib if hepatotoxicity develops.
What other medicines interact with Azathioprine?
MediHelp also lists interactions of Azathioprine with, for example, Adenovirus types 4 and 7 live, Bcg vaccine live, Febuxostat. The full list is on the Azathioprine page.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.
