Alprazolam and Carbinoxamine interaction

Alprazolam and Carbinoxamine: 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 Alprazolam (Alprazolam XR) label · effective 2025-02-11

Major

• Effects on Driving and Operating Machinery: Patients receiving • alprazolam XR should be cautioned against operating machinery or driving a motor vehicle, as well as avoiding concomitant use of alcohol and other central nervous system (CNS) depressant drugs.

Warnings and precautionsby drug classView label on DailyMed
Moderate

For the same reason, patients should be cautioned about the concomitant use of alcohol and other CNS depressant drugs during treatment with alprazolam XR [see Drug Interactions (7.1) ] .

Warnings and precautionsby drug classView label on DailyMed
Moderate

• Use with Other CNS Depressants: Produces additive CNS depressant effects.

Drug interactionsby drug classView label on DailyMed
Minor

Examples Psychotropic medications, anticonvulsants, antihistaminics, ethanol, and other drugs which themselves produce CNS depression.

Drug interactionsby drug classView label on DailyMed

From the Carbinoxamine (Carbinoxamine Maleate Extended-Release Oral Suspension) label · effective 2026-03-12

Major

Avoid concurrent use of Carbinoxamine Maleate Extended-Release Oral Suspension with alcohol or other central nervous system depressants because additional impairment of central nervous system performance may occur.

Warnings and precautionsby drug classView label on DailyMed
Major

Avoid use of Carbinoxamine Maleate extended-release oral suspension with alcohol and other CNS depressants (hypnotics sedatives, tranquilizers, etc.) due to additive effects.

Drug interactionsby drug classView label on DailyMed
Major

(4 and 7) Alcohol and CNS depressants (hypnotics sedatives, tranquilizers, etc.): Avoid concomitant use due to additive adverse effects.

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.