Hydrocodone and homatropine and Sodium oxybate interaction

Hydrocodone and homatropine 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

Abuse 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.

Warnings and precautionsby drug classView label on DailyMed
Major

Alcohol, Sedative Hypnotics, and CNS Depressants Xyrem is contraindicated for use in combination with alcohol or sedative hypnotics.

Drug interactionsby drug classView label on DailyMed

From the Hydrocodone and homatropine (Hydrocodone Bitartrate and Homatropine Methylbromide) label · effective 2026-05-07

Major

…ABUSE, AND MISUSE; LIFE-THREATENING RESPIRATORY DEPRESSION; ACCIDENTAL INGESTION; MEDICATION ERRORS; CYTOCHROME P450 3A4 INTERACTION; CONCOMITANT USE WITH BENZODIAZEPINES OR OTHER CNS DEPRESSANTS; INTERACTION WITH ALCOHOL; NEONATAL OPIOID WITHDRAWAL SYNDROME Addiction, Abuse, and Misuse Hydrocodone bitartrate and homatropine methylbromide exposes patients and…

Boxed warningby drug classView label on DailyMed
Major

Risks from Concomitant Use with Benzodiazepines or Other CNS Depressants Concomitant use of opioids with benzodiazepines or other central nervous system (CNS) depressants, including alcohol, may result in profound sedation, respiratory depression, coma, and death .

Boxed warningby drug classView label on DailyMed
Major

Avoid the use of hydrocodone bitartrate and homatropine methylbromide in patients taking benzodiazepines, other CNS depressants, or alcohol [see Warnings and Precautions (5.8) , Drug Interactions (7.5) ] .

Boxed warningby drug classView label on DailyMed
Major

WARNING: ADDICTION, ABUSE, AND MISUSE;LIFE-THREATENING RESPIRATORY DEPRESSION; ACCIDENTAL INGESTION; MEDICATION ERRORS; CYTOCHROME P450 3A4 INTERACTION; CONCOMITANT USE WITH BENZODIAZEPINES OR OTHER CNS DEPRESSANTS; INTERACTION WITH ALCOHOL; NEONATAL OPIOID WITHDRAWAL SYNDROME See full prescribing information for complete boxed warning.

Boxed warningby drug classView label on DailyMed
Major

Concomitant use of opioids with benzodiazepines or other central nervous system (CNS) depressants, including alcohol, may result in profound sedation, respiratory depression, coma, and death.

Boxed warningby 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.