Dutasteride/Tamsulosin and Atenolol Interaction
Drug interaction information between Dutasteride/Tamsulosin and Atenolol.
Dutasteride/Tamsulosin and Atenolol have a documented minor interaction in FDA labeling.
FDA drug labeling documents a minor-severity interaction between Dutasteride/Tamsulosin and Atenolol. 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
These medications do not significantly affect how the other drug is handled by the body.
FDA Label Information
7.3 Nifedipine, Atenolol, Enalapril Tamsulosin Dosage adjustments are not necessary when tamsulosin is administered concomitantly with nifedipine, atenolol, or enalapril [see Clinical Pharmacology ( 12.3 ) ] .
Dutasteride/Tamsulosin Also Interacts With
- Furosemide major
- Tamsulosin moderate
- Warfarin moderate
- Paroxetine minor
- Diltiazem minor
Atenolol Also Interacts With
- Aspirin major
- Theophylline major
- Clonidine minor
- Amiodarone minor
- Epinephrine minor
Frequently Asked Questions
What SPL severity band is on file for Dutasteride/Tamsulosin + Atenolol?
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?
Dutasteride/Tamsulosin has 15 labeled pairs on file vs Atenolol's 14. In the minor band specifically: Dutasteride/Tamsulosin has 12 (also Paroxetine, Diltiazem, Nifedipine, Ketoconazole); Atenolol has 12 (also Clonidine, Amiodarone, Epinephrine, Indomethacin).
What mechanism field is on file for Dutasteride/Tamsulosin and Atenolol?
These medications do not significantly affect how the other drug is handled by the body.
Atenolol carries more major-labeled pairs than Dutasteride/Tamsulosin
SPL source-record counts only. This page's band is minor · classes on file: Dutasteride/Tamsulosin (5-ARI / Alpha-Blocker Combination); Atenolol (Beta-1 Selective Blocker).
Atenolol has 2 major-labeled pairs vs Dutasteride/Tamsulosin's 1. This page itself is in the minor band, not the major band.
1 major · 2 moderate · 12 minor · 15 total
- Other minor peers for Dutasteride/Tamsulosin
- Paroxetine
- Diltiazem
- Nifedipine
- Ketoconazole
2 major · 0 moderate · 12 minor · 14 total
- Other minor peers for Atenolol
- Clonidine
- Amiodarone
- Epinephrine
- Indomethacin
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.