Doxepin and Dopamine Interaction
Drug interaction information between Doxepin and Dopamine.
Doxepin and Dopamine have a documented minor interaction in FDA labeling.
FDA drug labeling documents a minor-severity interaction between Doxepin 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
Doxepin can increase how strongly your body reacts to dopamine. This can lead to unexpected changes in your heart rate or blood pressure.
FDA Label Information
Examples: amitriptyline, desipramine, doxepin, imipramine, nortriptyline.
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 Doxepin + 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 Doxepin's 3. In the minor band specifically: Doxepin has 3 (also Cimetidine, Ramelteon); Dopamine has 23 (also Amitriptyline, Linezolid, Nortriptyline, Imipramine).
What mechanism field is on file for Doxepin and Dopamine?
Doxepin can increase how strongly your body reacts to dopamine. This can lead to unexpected changes in your heart rate or blood pressure.
Dopamine's labeled portfolio outnumbers Doxepin
SPL source-record counts only. This page's band is minor · classes on file: Doxepin (Tricyclic Antidepressant (TCA)); Dopamine (Inotropic / Vasopressor).
0 major · 5 moderate · 23 minor · 28 total
- Other minor peers for Dopamine
- Amitriptyline
- Linezolid
- Nortriptyline
- Imipramine
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.