Drug interactions
Istradefylline + Ropivacaine
Severity: Minor
Istradefylline and Ropivacaine: minor 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
Istradefylline at higher doses can weakly inhibit CYP3A4 and may raise exposure to CYP3A4 substrates. Ropivacaine is only partly CYP3A4-dependent, so the effect is expected to be small.
What this interaction means in plain words
Istradefylline and Ropivacaine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Istradefylline belongs to Central Nervous System; Ropivacaine belongs to Central Nervous System.
Why it happens
Dose-dependent CYP3A4 inhibition by istradefylline reducing ropivacaine metabolism.
What to do
No routine adjustment is needed. Be alert for signs of local anesthetic toxicity during prolonged infusions.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Istradefylline and Ropivacaine, 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 Ropivacaine
- Bupivacaine implant + Ropivacaine Major
- Bupivacaine liposome + Ropivacaine Major
- Amlodipine-benazepril + Ropivacaine Moderate
- Benazepril + Ropivacaine Moderate
- Captopril-hydrochlorothiazide + Ropivacaine Moderate
- Captopril + Ropivacaine Moderate
Other interactions of Istradefylline
Frequently asked questions
Can I take Istradefylline with Ropivacaine?
MediHelp rates the interaction as minor. Istradefylline and Ropivacaine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Istradefylline at higher doses can weakly inhibit CYP3A4 and may raise exposure to CYP3A4 substrates. Ropivacaine is only partly CYP3A4-dependent, so the effect is expected to be small.
How serious is the interaction between Istradefylline and Ropivacaine?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No routine adjustment is needed. Be alert for signs of local anesthetic toxicity during prolonged infusions.
What other medicines interact with Ropivacaine?
MediHelp also lists interactions of Ropivacaine with, for example, Bupivacaine implant, Bupivacaine liposome, Amlodipine-benazepril. The full list is on the Ropivacaine 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.
