Quetiapine and Dopamine Interaction
Drug interaction information between Quetiapine and Dopamine.
Quetiapine and Dopamine have a documented minor interaction in FDA labeling.
FDA drug labeling documents a minor-severity interaction between Quetiapine and Dopamine. 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
Quetiapine blocks the same brain signals that dopamine is trying to activate, which means the two drugs work against each other.
FDA Label Information
Quetiapine may antagonize the effects of levodopa and dopamine agonists.
Quetiapine Also Interacts With
- Clarithromycin major
- Darunavir moderate
- Ketoconazole minor
- Carbamazepine minor
- Rifampin minor
Dopamine Also Interacts With
- Carbidopa/Levodopa moderate
- Deutetrabenazine moderate
- Digoxin moderate
- Tetrabenazine moderate
- Tranylcypromine moderate
Frequently Asked Questions
What SPL severity band is on file for Quetiapine + Dopamine?
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?
Dopamine has 28 labeled pairs on file vs Quetiapine's 9. In the minor band specifically: Quetiapine has 7 (also Ketoconazole, Carbamazepine, Rifampin, Itraconazole); Dopamine has 23 (also Amitriptyline, Doxepin, Linezolid, Nortriptyline).
What mechanism field is on file for Quetiapine and Dopamine?
Quetiapine blocks the same brain signals that dopamine is trying to activate, which means the two drugs work against each other.
Quetiapine carries more major-labeled pairs than Dopamine
SPL source-record counts only. This page's band is minor · classes on file: Quetiapine (Atypical Antipsychotic); Dopamine (Inotropic / Vasopressor).
Quetiapine has 1 major-labeled pair vs Dopamine's 0. This page itself is in the minor band, not the major band.
1 major · 1 moderate · 7 minor · 9 total
- Other minor peers for Quetiapine
- Ketoconazole
- Carbamazepine
- Rifampin
- Itraconazole
0 major · 5 moderate · 23 minor · 28 total
- Other minor peers for Dopamine
- Amitriptyline
- Doxepin
- Linezolid
- Nortriptyline
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.