Drug interactions
Felodipine + Voxelotor
Severity: Moderate
Felodipine and Voxelotor: moderate 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
Voxelotor inhibits CYP3A4 and may increase felodipine concentrations. This can lead to hypotension, flushing and peripheral edema.
What this interaction means in plain words
Felodipine and Voxelotor can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Felodipine belongs to Cardiovascular; Voxelotor belongs to Miscellaneous.
Why it happens
Voxelotor inhibits CYP3A4, reducing metabolism of felodipine.
What to do
Monitor blood pressure and edema and reduce the felodipine dose if needed. Use an alternative antihypertensive if adequate control cannot be maintained safely.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Felodipine and Voxelotor, 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 Felodipine
- Felodipine + Itraconazole Contraindicated
- Aldesleukin + Felodipine Major
- Amifostine + Felodipine Major
- Apalutamide + Felodipine Major
- Atazanavir + Felodipine Major
- Carbamazepine + Felodipine Major
Other interactions of Voxelotor
- Amobarbital + Voxelotor Major
- Apalutamide + Voxelotor Major
- Carbamazepine + Voxelotor Major
- Cyclosporin + Voxelotor Major
- Efavirenz + Voxelotor Major
- Enzalutamide + Voxelotor Major
Frequently asked questions
Can I take Felodipine with Voxelotor?
MediHelp rates the interaction as moderate. Felodipine and Voxelotor can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Voxelotor inhibits CYP3A4 and may increase felodipine concentrations. This can lead to hypotension, flushing and peripheral edema.
How serious is the interaction between Felodipine and Voxelotor?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor blood pressure and edema and reduce the felodipine dose if needed. Use an alternative antihypertensive if adequate control cannot be maintained safely.
What other medicines interact with Felodipine?
MediHelp also lists interactions of Felodipine with, for example, Itraconazole, Aldesleukin, Amifostine. The full list is on the Felodipine 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.