Doxylamine and pyridoxine and Sevoflurane interaction

Doxylamine and pyridoxine and Sevoflurane: 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 Doxylamine and pyridoxine (Doxylamine succinate and pyridoxine hydrochloride) label · effective 2025-12-03

Major

Central nervous system (CNS) depressants: Concurrent use with alcohol or other CNS depressants is not recommended ( 5.1 )

Warnings and precautionsby drug classView label on DailyMed
Major

Doxylamine succinate and pyridoxine hydrochloride delayed-release tablets use is not recommended if a woman is concurrently using central nervous system (CNS) depressants including alcohol.

Warnings and precautionsby drug classView label on DailyMed
Minor

Concurrent use of alcohol and other CNS depressants (such as hypnotic sedatives and tranquilizers) with doxylamine succinate and pyridoxine hydrochloride delayed-release tablets is not recommended.

Drug interactionsby drug classView label on DailyMed

From the Sevoflurane (Ultane) label · effective 2025-01-13

Moderate

Consider having an anticholinergic and epinephrine available when administering sevoflurane for induction in this patient population.

Warningsby drug classView label on DailyMed
Minor

In most cases, bradycardia improved with decreasing the concentration of sevoflurane, manipulating the airway, or administering an anticholinergic or epinephrine.

Warningsby 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.