Nalbuphine and Trazodone Interaction
Drug interaction information between Nalbuphine and Trazodone.
Nalbuphine and Trazodone have a documented minor interaction in FDA labeling.
FDA drug labeling documents a minor-severity interaction between Nalbuphine 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 drugs increase the levels of a brain chemical called serotonin. Taking them together can lead to a dangerous buildup of this chemical in your system.
FDA Label Information
Serotonergic Drugs The concomitant use of opioids with other drugs that affect the serotonergic neurotransmitter system, such as selective serotonin reuptake inhibitors (SSRIs), serotonin and norepinephrine reuptake inhibitors (SNRIs), tricyclic antidepressants (TCAs), triptans, 5-HT3 receptor antagonists, drugs that effect the serotonin neurotransmitter system (e.g., mirtazapine, trazodone, tramadol), certain muscle relaxants (i.e., cyclobenzaprine, metaxalone), and monoamine oxidase (MAO) inhibitors (those intended to treat psychiatric disorders and also others, such as linezolid and...
Nalbuphine Also Interacts With
- Oxycodone moderate
- Cyclobenzaprine minor
- Mirtazapine minor
- Linezolid minor
- Phenelzine 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 Nalbuphine + 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 Nalbuphine's 19. In the minor band specifically: Nalbuphine has 18 (also Cyclobenzaprine, Mirtazapine, Linezolid, Phenelzine); Trazodone has 35 (also Tramadol, Buspirone, Clopidogrel, Rivaroxaban).
What mechanism field is on file for Nalbuphine and Trazodone?
Both drugs increase the levels of a brain chemical called serotonin. Taking them together can lead to a dangerous buildup of this chemical in your system.
Trazodone carries more major-labeled pairs than Nalbuphine
SPL source-record counts only. This page's band is minor · classes on file: Nalbuphine (Opioid Agonist-Antagonist); Trazodone (Serotonin Antagonist and Reuptake Inhibitor (SARI)).
Trazodone has 1 major-labeled pair vs Nalbuphine's 0. This page itself is in the minor band, not the major band.
0 major · 1 moderate · 18 minor · 19 total
- Other minor peers for Nalbuphine
- Cyclobenzaprine
- Mirtazapine
- Linezolid
- Phenelzine
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.