Drug interactions
Gilteritinib + Solifenacin
Severity: Major
Gilteritinib and Solifenacin: 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
Both drugs can prolong the QT interval, so combined use may raise the risk of torsades de pointes. Patients with leukemia often have electrolyte disturbances and other QT-prolonging drugs, which increases the risk.
What this interaction means in plain words
Gilteritinib and Solifenacin 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.
Gilteritinib belongs to Oncology; Solifenacin belongs to Genitourinary.
Why it happens
Additive QT interval prolongation.
What to do
Monitor ECG and keep potassium and magnesium normal; avoid solifenacin if the QTc becomes prolonged or choose a non-QT-prolonging bladder agent.
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 Gilteritinib and Solifenacin, 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 Solifenacin
Other interactions of Gilteritinib
- Gilteritinib + Pimozide Contraindicated
- Amiodarone + Gilteritinib Major
- Amisulpride + Gilteritinib Major
- Amitriptyline + Gilteritinib Major
- Anagrelide + Gilteritinib Major
- Apalutamide + Gilteritinib Major
Frequently asked questions
Can I take Gilteritinib with Solifenacin?
MediHelp rates the interaction as major. Gilteritinib and Solifenacin 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. Both drugs can prolong the QT interval, so combined use may raise the risk of torsades de pointes. Patients with leukemia often have electrolyte disturbances and other QT-prolonging drugs, which increases the risk.
How serious is the interaction between Gilteritinib and Solifenacin?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor ECG and keep potassium and magnesium normal; avoid solifenacin if the QTc becomes prolonged or choose a non-QT-prolonging bladder agent.
What other medicines interact with Solifenacin?
MediHelp also lists interactions of Solifenacin with, for example, Adagrasib, Amiodarone, Amisulpride. The full list is on the Solifenacin 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.
