Drug interactions
Amlodipine-benazepril + Ritonavir
Severity: Moderate
Amlodipine-benazepril and Ritonavir: 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
Ritonavir strongly inhibits CYP3A4 and can raise amlodipine concentrations. This may cause hypotension, edema and dizziness.
What this interaction means in plain words
Amlodipine-benazepril and Ritonavir 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.
Amlodipine-benazepril belongs to Cardiovascular; Ritonavir belongs to Anti Virals.
Why it happens
Inhibition of CYP3A4-mediated amlodipine metabolism.
What to do
Monitor blood pressure and for edema when starting or stopping ritonavir. Reduce the amlodipine dose if adverse effects occur.
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 Amlodipine-benazepril and Ritonavir, 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 7 days on the web. No card needed.
Other interactions of Amlodipine-benazepril
- Aliskiren + Amlodipine-benazepril Contraindicated
- Amlodipine-benazepril + Sacubitril / valsartan Contraindicated
- Aldesleukin + Amlodipine-benazepril Major
- Amifostine + Amlodipine-benazepril Major
- Amiloride + Amlodipine-benazepril Major
- Amlodipine-benazepril + Azilsartan Major
Other interactions of Ritonavir
- Alfuzosin + Ritonavir Contraindicated
- Amiodarone + Ritonavir Contraindicated
- Avanafil + Ritonavir Contraindicated
- Colchicine + Ritonavir Contraindicated
- Dronedarone + Ritonavir Contraindicated
- Eletriptan + Ritonavir Contraindicated
Frequently asked questions
Can I take Amlodipine-benazepril with Ritonavir?
MediHelp rates the interaction as moderate. Amlodipine-benazepril and Ritonavir 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. Ritonavir strongly inhibits CYP3A4 and can raise amlodipine concentrations. This may cause hypotension, edema and dizziness.
How serious is the interaction between Amlodipine-benazepril and Ritonavir?
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 for edema when starting or stopping ritonavir. Reduce the amlodipine dose if adverse effects occur.
What other medicines interact with Amlodipine-benazepril?
MediHelp also lists interactions of Amlodipine-benazepril with, for example, Aliskiren, Sacubitril / valsartan, Aldesleukin. The full list is on the Amlodipine-benazepril 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.
