Daridorexant and Elvitegravir, cobicistat, emtricitabine, and tenofovir interaction
Daridorexant and Elvitegravir, cobicistat, emtricitabine, and tenofovir: both prescribing labels flag this combination with the strongest language, such as a contraindication, a boxed warning, or an instruction to avoid it.
Do not combine without a prescriber's guidance. The label language below is the strongest FDA uses.
What the FDA labels say
From the Daridorexant (QUVIVIQ) label · effective 2026-02-26
Strong CYP3A4 inhibitors: Avoid concomitant use.
Concomitant use of QUVIVIQ with a strong inhibitor of CYP3A4 is not recommended [see Dosage and Administration (2.2) ] .
Moderate CYP3A4 inhibitors: Maximum recommended dose is 25 mg.
Table 2 Effects of Other Drugs on QUVIVIQ Strong or Moderate CYP3A4 Inhibitors Clinical Implications: Concomitant use with a strong or moderate CYP3A4 inhibitor increases exposure to daridorexant [see Clinical Pharmacology (12.3) ] , which may increase the risk of QUVIVIQ adverse reactions.
Prevention or Management: The recommended dose of QUVIVIQ is 25 mg when used with a moderate CYP3A4 inhibitor [see Dosage and Administration (2.2) ] .
From the Elvitegravir, cobicistat, emtricitabine, and tenofovir (Genvoya) label · effective 2025-02-03
…Lipid-modifying Agents: lomitapide, lovastatin, simvastatin Phosphodiesterase-5 (PDE-5) Inhibitor: sildenafil when administered as REVATIO ® for the treatment of pulmonary arterial hypertension Sedative/hypnotics: triazolam, orally administered midazolam Coadministration of GENVOYA is contraindicated with drugs that: Are highly dependent on CYP3A for clearance and for which…
Sedative/hypnotic: midazolam (oral) triazolam ↑ midazolam ↑ triazolam Coadministration with triazolam or orally administered midazolam is contraindicated due to potential for serious and/or life-threatening reactions such as prolonged or increased sedation or respiratory depression.
Dosage reduction for midazolam should be considered, especially if more than a single dose of midazolam is administered. buspirone zolpidem With other sedative/hypnotics, dose reduction may be necessary and clinical monitoring is recommended.
Other benzodiazepines: e.g., parenterally administered midazolam clorazepate diazepam estazolam flurazepam ↑ sedatives/hypnotics Triazolam and orally administered midazolam are extensively metabolized by CYP3A.
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Open in the checkerNot medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.