Butalbital, acetaminophen, and caffeine and Prochlorperazine interaction

Butalbital, acetaminophen, and caffeine and Prochlorperazine: 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 Prochlorperazine (PROCHLORPERAZINE MALEATE) label · effective 2025-07-09

Major

Do not use in comatose states or in the presence of large amounts of central nervous system depressants (alcohol, barbiturates, narcotics, etc.). Do not use in pediatric surgery.

Contraindicationsby drug classView label on DailyMed
Moderate

Phenothiazines may intensify or prolong the action of central nervous system depressants (e.g., alcohol, anesthetics, narcotics).

Warningsby drug classView label on DailyMed

From the Butalbital, acetaminophen, and caffeine (BUTALBITAL, ACETAMINOPHEN AND CAFFEINE) label · effective 2026-05-19

Moderate

Butalbital, acetaminophen and caffeine may enhance the effects of: other narcotic analgesics, alcohol, general anesthetics, tranquilizers such as chlordiazepoxide, sedative-hypnotics, or other CNS depressants, causing increased CNS depression.

Drug interactionsby 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.