Chlordiazepoxide and Haloperidol interaction

Chlordiazepoxide and Haloperidol: 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 Chlordiazepoxide (Chlordiazepoxide Hydrochloride) label · effective 2025-08-26

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

The concomitant use of alcohol or other central nervous system depressants may have an additive effect.

Warningsby drug classView label on DailyMed

From the Haloperidol (Haldol Decanoate) label · effective 2025-11-11

Major

Prevention or Management Avoid concomitant use of HALDOL DECANOATE with CNS depressants such as anesthetics, opioids, and alcohol.

Drug interactionsby drug classView label on DailyMed
Moderate

CNS Depressants Clinical Impact Haloperidol may potentiate CNS depressants.

Drug interactionsby drug classView label on DailyMed

Taking more than these two? Interactions stack. Check your whole list at once; it stays in your browser.

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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.