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. This page displays the available source-record category and label text. The category is not an individual risk estimate or medication-combination direction.

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.

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

What SPL severity band is on file for Trazodone + Tranylcypromine?

Compiled FDA labeling labels this pair moderate. That is a source-record field, not an individual medication-combination decision.

Which drug in this pair has the larger labeled-interaction portfolio?

Tranylcypromine has 42 labeled pairs on file vs Trazodone's 40. In the moderate band specifically: Trazodone has 4 (also Aspirin, Phenelzine, Selegiline); Tranylcypromine has 23 (also Buspirone, Cyclobenzaprine, Carbamazepine, Lithium).

What mechanism field is on file for Trazodone and Tranylcypromine?

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

Tranylcypromine carries more major-labeled pairs than Trazodone

SPL source-record counts only. This page's band is moderate · classes on file: Trazodone (Serotonin Antagonist and Reuptake Inhibitor (SARI)); Tranylcypromine (Monoamine Oxidase Inhibitor (MAOI)).

Tranylcypromine has 7 major-labeled pairs vs Trazodone's 1. This page itself is in the moderate band, not the major band.

Trazodone

1 major · 4 moderate · 35 minor · 40 total

Tranylcypromine

7 major · 23 moderate · 12 minor · 42 total

Sources: FDA Drug Labels (SPL) via openFDA (2026). This is for informational purposes only and is not medical advice. This registry does not provide individual medication-combination directions.