Tranylcypromine and Vilazodone Interaction

Drug interaction information between Tranylcypromine and Vilazodone.

Tranylcypromine and Vilazodone have a documented major interaction in FDA labeling.

FDA drug labeling documents a major-severity interaction between Tranylcypromine and Vilazodone. 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

Tranylcypromine

Monoamine Oxidase Inhibitor (MAOI)

Drug B

Vilazodone

SSRI / 5-HT1A Partial Agonist

How They Interact

Both drugs increase serotonin levels in the brain, which can lead to a dangerous and life-threatening condition called serotonin syndrome.

FDA Label Information

Excessive reduction of blood glucose (additive effect) [See Warnings and Precautions (5.14)] ; CNS depressant agents (including opioids, alcohol, sedatives, hypnotics) Use with caution Increased CNS depression Dietary supplements containing sympathomimetics Contraindicated Antidepressants including but not limited to: • Other MAOIs (e.g., linezolid, intravenous methylene blue, selective MAOIs) • Selective serotonin reuptake inhibitors (SSRIs) and serotonin and norepinephrine reuptake inhibitors (SNRIs) • Tricyclic antidepressants • Amoxapine, bupropion, maprotiline, nefazodone, trazodone,...

Frequently Asked Questions

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

Compiled FDA labeling labels this pair major. 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 Vilazodone's 10. In the major band specifically: Tranylcypromine has 7 (also Bupropion, Linezolid, Epinephrine, Norepinephrine); Vilazodone has 2 (also Linezolid).

What mechanism field is on file for Tranylcypromine and Vilazodone?

Both drugs increase serotonin levels in the brain, which can lead to a dangerous and life-threatening condition called serotonin syndrome.

Tranylcypromine carries more major-labeled pairs than Vilazodone

SPL source-record counts only. This page's band is major · classes on file: Tranylcypromine (Monoamine Oxidase Inhibitor (MAOI)); Vilazodone (SSRI / 5-HT1A Partial Agonist).

Tranylcypromine has 7 major-labeled pairs vs Vilazodone's 2.

Tranylcypromine

7 major · 23 moderate · 12 minor · 42 total

Vilazodone

2 major · 1 moderate · 7 minor · 10 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.