Alprazolam and Olanzapine interaction

Alprazolam and Olanzapine: 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
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.

Warnings and precautionsby drug classView label on DailyMed
Moderate

Effects on Driving and Operating Machinery Because of its CNS depressant effects, patients receiving alprazolam XR should be cautioned against engaging in hazardous occupations or activities requiring complete mental alertness such as operating machinery or driving a motor vehicle.

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

From the Olanzapine (Zyprexa) label · effective 2026-02-11

Major

Concomitant administration of intramuscular olanzapine and parenteral benzodiazepine is not recommended due to the potential for excessive sedation and cardiorespiratory depression.

Warnings and precautionsby 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.