Skip to main content

What the FDA labels say about taking them together

Darunavir and triazolam

Darunavir's FDA label of August 29, 2025 names triazolam in its contraindications section; the triazolam label PlainMeds reads does not name darunavir. The darunavir label: “Co-administration is contraindicated due to potential for serious and/or life-threatening reactions such as prolonged or increased sedation or respiratory depression. …”

Check it at the source: the darunavir FDA label on DailyMed (effective August 29, 2025, Janssen Products LP); the triazolam FDA label on DailyMed (effective July 10, 2026, Mylan Pharmaceuticals Inc.).

What does the darunavir label say about triazolam?

Darunavir label, contraindications

St. John's wort ( Hypericum perforatum ) Hepatitis C direct acting antiviral: elbasvir/grazoprevir Lipid modifying agents: lomitapide, lovastatin, simvastatin Opioid Antagonist: naloxegol PDE-5 inhibitor: sildenafil when used for treatment of pulmonary arterial hypertension Sedatives/hypnotics: orally administered midazolam, triazolam Co-administration of PREZISTA/ritonavir is contraindicated with drugs that are highly dependent on CYP3A for clearance and for which elevated plasma concentrations are associated with serious and/or life-threatening events (narrow therapeutic index).

Darunavir label, drug interactions

Concomitant Drug Class Drug Name Examples: orally administered midazolam, triazolam; Effect on Concentration of Darunavir Or Concomitant Drug: ↑ midazolam ↑ triazolam; Clinical Comment: Co-administration is contraindicated due to potential for serious and/or life-threatening reactions such as prolonged or increased sedation or respiratory depression. Triazolam and orally administered midazolam are extensively metabolized by CYP3A. Co-administration of triazolam or orally administered midazolam with PREZISTA may cause large increases in the concentrations of these benzodiazepines.

Source: FDA drug label (PREZISTA), Janssen Products LP, effective August 29, 2025 (SPL set 814301f9-c990-46a5-b481-2879a521a16f), via openFDA; the full label on DailyMed

What does the triazolam label say about darunavir?

Triazolam's label (effective July 10, 2026) does not name darunavir in these sections. A label lists what its studies and reports found; it is not a complete list.

Source: FDA drug label (Triazolam), NDA017892 (Pfizer), as published by Mylan Pharmaceuticals Inc., effective July 10, 2026 (SPL set 5add318e-11b9-42f8-b052-0d8cebb32fcf), via openFDA; the full label on DailyMed

These are the labels' own sentences. PlainMeds does not grade interactions; a pharmacist or prescriber can say what they mean for one person's medicines.

Both medicines on the record

13Darunavir generic labelers
7Triazolam generic labelers
DarunavirTriazolam
Labeled forHIVInsomnia
Boxed warningNoYes
Pharmacy cost (NADAC)$1.16 per tablet 600 mg tablet$0.308 per tablet 0.25 mg tablet
Shortage nowNo current entryNo current entry

Source: FDA NDC Directory, CMS NADAC of October 7, 2026 and the FDA Drug Shortage Database (FDA files October 8, 2026)

What next?