Clonazepam and Eszopiclone interaction

Clonazepam and Eszopiclone: both prescribing labels flag this combination with the strongest language, such as a contraindication, a boxed warning, or an instruction to avoid it.

Major

Do not combine without a prescriber's guidance. The label language below is the strongest FDA uses.

What the FDA labels say

From the Clonazepam (Klonopin) label · effective 2025-12-01

Major

Prescribe the lowest effective dosage; avoid or minimize concomitant use of CNS depressants and other substances associated with abuse, misuse, and addiction (e.g., opioid analgesics, stimulants); and advise patients on the proper disposal of unused drug.

Warningsby drug classView label on DailyMed
Moderate

They should also be warned about the concomitant use of alcohol or other CNS-depressant drugs during Klonopin therapy (see PRECAUTIONS: Drug Interactions and PRECAUTIONS: Information for Patients ).

Warningsby drug classView label on DailyMed
Moderate

Pharmacodynamic Interactions The CNS-depressant action of the benzodiazepine class of drugs may be potentiated by alcohol, narcotics, barbiturates, nonbarbiturate hypnotics, antianxiety agents, the phenothiazines, thioxanthene and butyrophenone classes of antipsychotic agents, monoamine oxidase inhibitors and the tricyclic antidepressants, and by other anticonvulsant…

Drug interactionsby drug classView label on DailyMed

From the Eszopiclone (Lunesta) label · effective 2025-01-08

Major

The use of LUNESTA with other sedative-hypnotics at bedtime or the middle of the night is not recommended.

Warnings and precautionsby drug classView label on DailyMed
Moderate

CNS Depressant Effects: Impaired alertness and motor coordination, including risk of morning impairment.

Warnings and precautionsby drug classView label on DailyMed
Moderate

Risk increases with dose and use with other CNS depressants and alcohol.

Warnings and precautionsby drug classView label on DailyMed
Moderate

Post-marketing reports have shown that complex sleep behaviors may occur with LUNESTA alone at recommended dosages, with or without the concomitant use of alcohol or other CNS depressants [see Drug Interactions ( 7.1 )] .

Warnings and precautionsby drug classView label on DailyMed
Moderate

CNS Depressant Effects and Next-Day Impairment LUNESTA is a CNS depressant and can impair daytime function in some patients at the higher doses (2 mg or 3 mg), even when used as prescribed.

Warnings and precautionsby drug classView label on DailyMed

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Not 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.