HomeIstradefyllineIstradefylline + Midazolam

Does Istradefylline Interact with Midazolam?

Istradefylline and Midazolam have a minor drug interaction according to U.S. FDA drug labeling data. CYP3A4 substrate. Istradefylline 20 mg did not affect midazolam exposure. The mechanism involves cyp3a4 substrate. Patients taking both medications should consult their healthcare provider before starting, stopping, or changing the dosage of either drug. This information is based on official FDA drug labeling sourced from OpenFDA and the NIH National Library of Medicine.

Severity
Minor
Midazolam Class
Benzodiazepine
Management
Generally manageable
Data Source
U.S. FDA via OpenFDA

How This Interaction Works

The interaction between Istradefylline and Midazolam occurs because cyp3a4 substrate. Clinically, this means cyp3a4 substrate. istradefylline 20 mg did not affect midazolam exposure. This is classified as a minor interaction with generally low clinical significance, though your healthcare provider should still be informed that you are taking both medications.

What To Tell Your Doctor or Pharmacist

If you are taking Istradefylline and your doctor is considering prescribing Midazolam (or vice versa), make sure to:

  • Inform your doctor and pharmacist of all current medications, including over-the-counter drugs and supplements
  • Ask whether the benefits of combining these medications outweigh the risks for your specific situation
  • Ask what symptoms to watch for that would indicate the interaction is causing problems
  • Never stop or change either medication without first consulting your healthcare provider
💊 Istradefylline(Nourianz)+💊 Midazolam(Nayzilam)

Severity & Interaction Details

minor
Generally safe — minor interaction
Low clinical significance. Routine awareness is usually sufficient.
Severity scale
MinorContra
On record
Yes
Drug A class
Drug B class
Benzodiazepine
Source
NLP:istradefylline

What this means in plain English

CYP3A4 substrate. Istradefylline 20 mg did not affect midazolam exposure.

About Istradefylline and Midazolam

Midazolam is a Benzodiazepine. You may recognize them by the brand names Nourianz and Nayzilam. Istradefylline is taken by mouth, whereas Midazolam is given by intravenous (IV) infusion. Midazolam additionally carries an FDA boxed warning, the FDA's strongest safety alert.

What the FDA label says

"CYP3A4 substrate"

📖 Source: NLP:istradefylline

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Data integrity: Every interaction shown is extracted directly from official U.S. FDA drug labeling via openFDA and the U.S. National Library of Medicine (NIH) — no interactions are invented, inferred, or manually edited. Maintained by CheckDrugInteractions.com. See our methodology or report a correction at support@checkdruginteractions.com.

Data sourced from U.S. FDA drug labeling via openFDA and the NIH National Library of Medicine, supplemented with a small number of well-established interactions from curated clinical references. For informational purposes only. Always consult your pharmacist or physician.