Buprenorphine/Naloxone and Trazodone Interaction

Drug interaction information between Buprenorphine/Naloxone and Trazodone.

Buprenorphine/Naloxone and Trazodone have a documented minor interaction in FDA labeling.

FDA drug labeling documents a minor-severity interaction between Buprenorphine/Naloxone and Trazodone. 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

Buprenorphine/Naloxone

Partial Opioid Agonist / Antagonist

Drug B

Trazodone

Serotonin Antagonist and Reuptake Inhibitor (SARI)

How They Interact

These drugs both increase a brain chemical called serotonin. Taking them at the same time can cause a dangerous buildup of serotonin in your body.

FDA Label Information

Examples: Selective serotonin reuptake inhibitors (SSRIs), serotonin and norepinephrine reuptake inhibitors (SNRIs), tricyclic antidepressants (TCAs), triptans, 5-HT3 receptor antagonists, drugs that affect the serotonin neurotransmitter system (e.g., mirtazapine, trazodone, tramadol), certain muscle relaxants (i.e., cyclobenzaprine, metaxalone), monoamine oxidase (MAO) inhibitors (those intended to treat psychiatric disorders and also others, such as linezolid and intravenous methylene blue).

Trazodone Also Interacts With

View all Trazodone interactions →

Frequently Asked Questions

What SPL severity band is on file for Buprenorphine/Naloxone + Trazodone?

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

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

Trazodone has 40 labeled pairs on file vs Buprenorphine/Naloxone's 19. In the minor band specifically: Buprenorphine/Naloxone has 19 (also Gabapentin, Tramadol, Cyclobenzaprine, Pregabalin); Trazodone has 35 (also Tramadol, Buspirone, Clopidogrel, Rivaroxaban).

What mechanism field is on file for Buprenorphine/Naloxone and Trazodone?

These drugs both increase a brain chemical called serotonin. Taking them at the same time can cause a dangerous buildup of serotonin in your body.

Trazodone carries more major-labeled pairs than Buprenorphine/Naloxone

SPL source-record counts only. This page's band is minor · classes on file: Buprenorphine/Naloxone (Partial Opioid Agonist / Antagonist); Trazodone (Serotonin Antagonist and Reuptake Inhibitor (SARI)).

Trazodone has 1 major-labeled pair vs Buprenorphine/Naloxone's 0. This page itself is in the minor band, not the major band.

Buprenorphine/Naloxone

0 major · 0 moderate · 19 minor · 19 total

Trazodone

1 major · 4 moderate · 35 minor · 40 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.