Chlorpheniramine and Daridorexant interaction
Chlorpheniramine and Daridorexant: 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 Chlorpheniramine (Chlorphen-12) label · effective 2018-12-19
…have a breathing problem such as emphysema or chronic bronchitis glaucoma trouble urinating due to an enlarged prostate gland Ask a doctor or pharmacist before use if you are taking sedatives or tranquilizers When using this product excitability may occur, especially in children drowsiness may occur avoid alcoholic beverages alchohol, sedatives and tranquilizers…
From the Daridorexant (QUVIVIQ) label · effective 2026-02-26
Risk increases when used with other central nervous system (CNS) depressants.
Co-administration with other CNS depressants (e.g., benzodiazepines, opioids, tricyclic antidepressants, alcohol) increases the risk of CNS depression, which can cause daytime impairment.
Alcohol and Other CNS Depressants Clinical Implications: Concomitant use of alcohol or other CNS depressants with QUVIVIQ may lead to additive impairment of psychomotor performance and risk of CNS depression [see Clinical Pharmacology (12.2) ] .
Complex sleep behaviors may occur following the first or any subsequent use of hypnotics, such as QUVIVIQ, with or without the concomitant use of alcohol and other CNS depressants [see Drug Interactions (7.1) ].
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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.