Desvenlafaxine and Buspirone Interaction

Drug interaction information between Desvenlafaxine and Buspirone.

Desvenlafaxine and Buspirone have a documented minor interaction in FDA labeling.

FDA drug labeling documents a minor-severity interaction between Desvenlafaxine and Buspirone. 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

Desvenlafaxine

Serotonin-Norepinephrine Reuptake Inhibitor (SNRI)

Drug B

Buspirone

Azapirone Anxiolytic

How They Interact

Both of these medications increase a brain chemical called serotonin, which can cause an additive effect.

FDA Label Information

Examples other SNRIs, SSRIs, triptans, tricyclic antidepressants, opioids, lithium, buspirone, amphetamines, tryptophan, and St.

Desvenlafaxine Also Interacts With

View all Desvenlafaxine interactions →

Frequently Asked Questions

What SPL severity band is on file for Desvenlafaxine + Buspirone?

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?

Desvenlafaxine has 19 labeled pairs on file vs Buspirone's 17. In the minor band specifically: Desvenlafaxine has 13 (also Metoprolol, Aripiprazole, Atomoxetine, Lithium); Buspirone has 15 (also Citalopram, Darunavir, Diltiazem, Diphenoxylate/Atropine).

What mechanism field is on file for Desvenlafaxine and Buspirone?

Both of these medications increase a brain chemical called serotonin, which can cause an additive effect.

Desvenlafaxine's labeled portfolio outnumbers Buspirone

SPL source-record counts only. This page's band is minor · classes on file: Desvenlafaxine (Serotonin-Norepinephrine Reuptake Inhibitor (SNRI)); Buspirone (Azapirone Anxiolytic).

Desvenlafaxine

0 major · 6 moderate · 13 minor · 19 total

Buspirone

0 major · 2 moderate · 15 minor · 17 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.