Buprenorphine and Trazodone Interaction
Drug interaction information between Buprenorphine and Trazodone.
Buprenorphine and Trazodone have a documented minor interaction in FDA labeling.
FDA drug labeling documents a minor-severity interaction between Buprenorphine 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.
How They Interact
Both of these medications increase the amount of a brain chemical called serotonin. Taking them at the same time can cause serotonin levels to become dangerously high.
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).
Buprenorphine Also Interacts With
- Oxycodone moderate
- Cyclobenzaprine minor
- Mirtazapine minor
- Ketoconazole minor
- Carbamazepine minor
Trazodone Also Interacts With
- Linezolid major
- Aspirin moderate
- Phenelzine moderate
- Tranylcypromine moderate
- Selegiline moderate
Frequently Asked Questions
What SPL severity band is on file for Buprenorphine + 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's 29. In the minor band specifically: Buprenorphine has 28 (also Cyclobenzaprine, Mirtazapine, Ketoconazole, Carbamazepine); Trazodone has 35 (also Tramadol, Buspirone, Clopidogrel, Rivaroxaban).
What mechanism field is on file for Buprenorphine and Trazodone?
Both of these medications increase the amount of a brain chemical called serotonin. Taking them at the same time can cause serotonin levels to become dangerously high.
Trazodone carries more major-labeled pairs than Buprenorphine
SPL source-record counts only. This page's band is minor · classes on file: Buprenorphine (Partial Opioid Agonist); Trazodone (Serotonin Antagonist and Reuptake Inhibitor (SARI)).
Trazodone has 1 major-labeled pair vs Buprenorphine's 0. This page itself is in the minor band, not the major band.
0 major · 1 moderate · 28 minor · 29 total
- Other minor peers for Buprenorphine
- Cyclobenzaprine
- Mirtazapine
- Ketoconazole
- Carbamazepine
1 major · 4 moderate · 35 minor · 40 total
- Other minor peers for Trazodone
- Tramadol
- Buspirone
- Clopidogrel
- Rivaroxaban
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.
Read our methodology - how this data is sourced, computed, and verified.