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Trazodone and Tranylcypromine Interaction

Drug interaction information between Trazodone and Tranylcypromine.

Trazodone and Tranylcypromine have a documented moderate interaction in FDA labeling.

FDA drug labeling documents a moderate-severity interaction between Trazodone and Tranylcypromine. 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

Trazodone

Serotonin Antagonist and Reuptake Inhibitor (SARI)

Drug B

Tranylcypromine

Monoamine Oxidase Inhibitor (MAOI)

How They Interact

Using these drugs together can cause a harmful buildup of serotonin in your body.

What To Do

Your healthcare provider should watch you for symptoms like confusion, sweating, or a fast heartbeat.

FDA Label Information

Examples: isocarboxazid, moclobemide, phenelzine, selegiline, tranylcypromine Other Serotonergic Drugs Clinical Impact: The concomitant use of serotonergic drugs including trazodone and other serotonergic drugs increases the risk of serotonin syndrome.

Trazodone Also Interacts With

View all Trazodone interactions →

Frequently Asked Questions

Can I take Trazodone and Tranylcypromine together?

This is a moderate interaction. Your healthcare provider should watch you for symptoms like confusion, sweating, or a fast heartbeat.

How serious is the interaction between Trazodone and Tranylcypromine?

This interaction is classified as "moderate" severity by the FDA. Moderate interactions may worsen your condition or change how your medications work.

Why do Trazodone and Tranylcypromine interact?

Using these drugs together can cause a harmful buildup of serotonin in your body.

Understanding the Trazodone and Tranylcypromine Interaction

FDA-approved prescribing information for these two drugs flags their combination as a moderate-severity interaction. Trazodone belongs to the Serotonin Antagonist and Reuptake Inhibitor (SARI) class and Tranylcypromine belongs to the Monoamine Oxidase Inhibitor (MAOI) class - two categories that can collide when co-prescribed. The mechanism described in FDA labeling is: Using these drugs together can cause a harmful buildup of serotonin in your body. 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. Trazodone has 40 total documented interactions on file in this dataset, and Tranylcypromine has 42. 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: Your healthcare provider should watch you for symptoms like confusion, sweating, or a fast heartbeat. 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 Trazodone or Tranylcypromine 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.