Diazepam and Sodium oxybate interaction

Diazepam and Sodium oxybate: 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 Sodium oxybate (Xyrem) label · effective 2025-07-01

Major

• Central Nervous System Depression Xyrem (sodium oxybate) is a CNS depressant.

Boxed warningby drug classView label on DailyMed
Major

Abuse or misuse of illicit GHB, either alone or in combination with other CNS depressants, is associated with CNS adverse reactions, including seizure, respiratory depression, decreases in the level of consciousness, coma, and death [see Warnings and Precautions ( 5.2 )].

Boxed warningby drug classView label on DailyMed
Major

Central Nervous System Depression • Xyrem is a CNS depressant, and respiratory depression can occur with Xyrem use ( 5.1 , 5.4 )

Boxed warningby drug classView label on DailyMed
Major

Xyrem is contraindicated for use in: • combination with sedative hypnotics [see Warnings and Precautions ( 5.1 )] .

Contraindicationsby drug classView label on DailyMed
Major

• In combination with sedative hypnotics or alcohol ( 4 )

Contraindicationsby drug classView label on DailyMed

From the Diazepam (Valium) label · effective 2026-08-11

Minor

Since Valium has a central nervous system depressant effect, patients should be advised against the simultaneous ingestion of alcohol and other CNS- depressant drugs during Valium therapy.

Warningsby drug classView label on DailyMed
Minor

Patients should be advised against the simultaneous ingestion of alcohol and other CNS-depressant drugs during Valium therapy.

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.