Lemborexant and Rifampin interaction
Lemborexant and Rifampin: the Lemborexant prescribing label 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 Lemborexant (DAYVIGO) label · effective 2025-02-24
Strong or moderate CYP3A inducers: Avoid concomitant use.
Intervention: Avoid concomitant use of DAYVIGO with strong or moderate CYP3A inducers [see Dosage and Administration ( 2.2 )].
Examples: Strong CYP3A inhibitors: itraconazole, clarithromycin Moderate CYP3A inhibitors: fluconazole, verapamil Weak CYP3A inhibitors: chlorzoxazone, ranitidine Strong and Moderate CYP3A Inducers Clinical Impact: Concomitant use with a strong or moderate CYP3A inducer decreases lemborexant exposure, which may reduce DAYVIGO efficacy [see Clinical Pharmacology…
John’s wort Moderate CYP3A inducers: bosentan, efavirenz, etravirine, modafinil Alcohol Clinical Impact: Concomitant use of alcohol increases lemborexant C max and AUC.
Examples: Strong CYP3A inducers: rifampin, carbamazepine, St.
Taking more than these two? Interactions stack. Check your whole list at once; it stays in your browser.
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.