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Does Atazanavir Interact with Midazolam?

Atazanavir and Midazolam have a contraindicated drug interaction according to U.S. FDA drug labeling data. b See Contraindications (4), Table 6 for orally administered midazolam. Benzodiazepines: midazolam (oral) triazolam ↑ midazolam ↑ triazolam Coadministration of REYATAZ with either orally administered midazolam or triazolam is contraindicated. Triazolam and orally administered midazolam are extensively metabolized by CYP3A4, and coadministration with REYATAZ can lead to the potential for serious and/or life-threatening events such as prolonged or increased sedation or respiratory depression [see Contraindications (4) ]. 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
Contraindicated
Midazolam Class
Benzodiazepine
Management
Do not take together
Data Source
U.S. FDA via OpenFDA

What To Tell Your Doctor or Pharmacist

If you are taking Atazanavir 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
  • Ask about alternative medications that do not interact with your current regimen
  • Ask how frequently you should be monitored while these are co-prescribed
  • Never stop or change either medication without first consulting your healthcare provider
💊 Atazanavir(Evotaz)+💊 Midazolam(Nayzilam)

Severity & Interaction Details

⛔
contraindicated
Avoid this combination
FDA labeling lists this pair as contraindicated. The risk outweighs the benefit in nearly all cases.
Severity scale
MinorContra
On record
Yes
Drug A class
—
Drug B class
Benzodiazepine
Source
FDA drug label - atazanavir

What this means in plain English

b See Contraindications (4), Table 6 for orally administered midazolam. Benzodiazepines: midazolam (oral) triazolam ↑ midazolam ↑ triazolam Coadministration of REYATAZ with either orally administered midazolam or triazolam is contraindicated. Triazolam and orally administered midazolam are extensively metabolized by CYP3A4, and coadministration with REYATAZ can lead to the potential for serious and/or life-threatening events such as prolonged or increased sedation or respiratory depression [see Contraindications (4) ].

About Atazanavir and Midazolam

Midazolam is a Benzodiazepine. You may recognize them by the brand names Evotaz and Nayzilam. Atazanavir 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.

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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.