Diltiazem and Lemborexant interaction
Diltiazem and Lemborexant: 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 inhibitors: Avoid concomitant use.
Intervention: Avoid concomitant use of DAYVIGO with strong or moderate CYP3A inhibitors [see Dosage and Administration ( 2.2 )].
Weak CYP3A inhibitors: The maximum recommended dose is 5 mg.
Drugs Having Clinically Important Interactions with DAYVIGO Table 2: Clinically Important Drug Interactions with DAYVIGO Effect of Other Drugs on DAYVIGO Strong, Moderate, and Weak CYP3A Inhibitors Clinical Impact: Concomitant use with a strong, moderate, or weak CYP3A inhibitor increases lemborexant AUC and C max which may increase the risk of DAYVIGO adverse…
The maximum recommended dose of DAYVIGO with weak CYP3A inhibitors is 5 mg [see Dosage and Administration ( 2.2 )].
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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.