Drug interactions
Dexlansoprazole + Itraconazole
Severity: Major
Dexlansoprazole and Itraconazole: 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
Acid suppression lowers absorption of itraconazole capsules, risking subtherapeutic antifungal levels and treatment failure.
What this interaction means in plain words
Dexlansoprazole and Itraconazole 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.
Dexlansoprazole belongs to Gastrointestinal Tract; Itraconazole belongs to Anti Fungals.
Why it happens
Raised gastric pH decreases dissolution and absorption of itraconazole capsules.
What to do
Avoid with itraconazole capsules or use the oral solution. Monitor itraconazole levels and clinical response.
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 Dexlansoprazole and Itraconazole, 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 Dexlansoprazole
- Dexlansoprazole + Mavacamten Contraindicated
- Dexlansoprazole + Rilpivirine Contraindicated
- Acalabrutinib + Dexlansoprazole Major
- Atazanavir + Dexlansoprazole Major
- Dacomitinib + Dexlansoprazole Major
- Dasatinib + Dexlansoprazole Major
Other interactions of Itraconazole
- Alfuzosin + Itraconazole Contraindicated
- Alprazolam + Itraconazole Contraindicated
- Avanafil + Itraconazole Contraindicated
- Conivaptan + Itraconazole Contraindicated
- Dihydroergotamine intranasal + Itraconazole Contraindicated
- Dihydroergotamine + Itraconazole Contraindicated
Frequently asked questions
Can I take Dexlansoprazole with Itraconazole?
MediHelp rates the interaction as major. Dexlansoprazole and Itraconazole 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. Acid suppression lowers absorption of itraconazole capsules, risking subtherapeutic antifungal levels and treatment failure.
How serious is the interaction between Dexlansoprazole and Itraconazole?
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 with itraconazole capsules or use the oral solution. Monitor itraconazole levels and clinical response.
What other medicines interact with Dexlansoprazole?
MediHelp also lists interactions of Dexlansoprazole with, for example, Mavacamten, Rilpivirine, Acalabrutinib. The full list is on the Dexlansoprazole 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.
