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Atomoxetine and Diazepam Interaction

Drug interaction information between Atomoxetine and Diazepam.

Atomoxetine and Diazepam have a documented minor interaction in FDA labeling.

FDA drug labeling documents a minor-severity interaction between Atomoxetine and Diazepam. Major interactions are generally avoided, moderate ones may need monitoring or a dose adjustment, and minor ones are usually low-risk. This page shows the documented mechanism and guidance. Label-documented interactions are not a complete safety review, so always confirm your own medications with a pharmacist or doctor. Educational information, not medical advice.

Drug A

Atomoxetine

Selective Norepinephrine Reuptake Inhibitor

Drug B

Diazepam

Benzodiazepine

How They Interact

Atomoxetine does not change how diazepam binds to proteins in your blood, meaning it does not affect the amount of active medicine in your system.

What To Do

You can safely take these medications together without needing to change your dose.

FDA Label Information

Atomoxetine did not affect the binding of warfarin, acetylsalicylic acid, phenytoin, or diazepam to human albumin.

Diazepam Also Interacts With

View all Diazepam interactions →

Frequently Asked Questions

Can I take Atomoxetine and Diazepam together?

This is a minor interaction. You can safely take these medications together without needing to change your dose.

How serious is the interaction between Atomoxetine and Diazepam?

This interaction is classified as "minor" severity by the FDA. Minor interactions are unlikely to cause significant problems but should still be mentioned to your healthcare provider.

Why do Atomoxetine and Diazepam interact?

Atomoxetine does not change how diazepam binds to proteins in your blood, meaning it does not affect the amount of active medicine in your system.

Understanding the Atomoxetine and Diazepam Interaction

FDA-approved prescribing information for these two drugs flags their combination as a minor-severity interaction. Atomoxetine belongs to the Selective Norepinephrine Reuptake Inhibitor class and Diazepam belongs to the Benzodiazepine class - two categories that can collide when co-prescribed. The mechanism described in FDA labeling is: Atomoxetine does not change how diazepam binds to proteins in your blood, meaning it does not affect the amount of active medicine in your system. Severity tiers matter: major flags generally advise avoidance, moderate flags often require monitoring or dose adjustment, and minor flags may only call for awareness.

Context around a specific patient determines real-world impact. Atomoxetine has 15 total documented interactions on file in this dataset, and Diazepam has 26. Each additional medication compounds the interaction surface, which is why pharmacists run full-profile checks rather than evaluating one pair at a time. FDA-derived guidance for this pair is: You can safely take these medications together without needing to change your dose. Timing of doses, renal and hepatic function, age, and other concurrent prescriptions all shape whether a labeled interaction matters clinically.

An interaction flag is not a verdict. A large share of labeled interactions are managed routinely in clinical practice, the fix may be as simple as spacing doses or adding a monitoring test. Others require the prescriber to choose a different medication entirely. This page surfaces FDA-sourced labeling and openFDA data for educational purposes only; it is not medical advice and cannot account for your full clinical picture. Never start, stop, or adjust either Atomoxetine or Diazepam based on a web page, speak with your prescriber or pharmacist before making any change.

Sources: FDA Drug Labels (SPL) via openFDA (2026). This is for informational purposes only and is not medical advice. Always consult your healthcare provider about drug interactions.