Vilazodone and Linezolid Interaction

Drug interaction information between Vilazodone and Linezolid.

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

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

Vilazodone

SSRI / 5-HT1A Partial Agonist

Drug B

Linezolid

Oxazolidinone Antibiotic

How They Interact

Both of these drugs increase the amount of serotonin in your brain. Taking them together can cause serotonin levels to become dangerously high, which can be life-threatening.

FDA Label Information

Vilazodone hydrochloride tablets are contraindicated in patients taking MAOIs, including MAOIs such as linezolid or intravenous methylene blue [see Contraindications (4), Dosage and Administration (2.3), and Warnings and Precautions (5.2)].

Frequently Asked Questions

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

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?

Linezolid has 29 labeled pairs on file vs Vilazodone's 10. In the major band specifically: Vilazodone has 2 (also Tranylcypromine); Linezolid has 8 (also Citalopram, Escitalopram, Mirtazapine, Paroxetine).

What mechanism field is on file for Vilazodone and Linezolid?

Both of these drugs increase the amount of serotonin in your brain. Taking them together can cause serotonin levels to become dangerously high, which can be life-threatening.

Linezolid carries more major-labeled pairs than Vilazodone

SPL source-record counts only. This page's band is major · classes on file: Vilazodone (SSRI / 5-HT1A Partial Agonist); Linezolid (Oxazolidinone Antibiotic).

Linezolid has 8 major-labeled pairs vs Vilazodone's 2.

Vilazodone

2 major · 1 moderate · 7 minor · 10 total

Linezolid

8 major · 3 moderate · 18 minor · 29 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.