Tamsulosin and Enalapril Interaction

Drug interaction information between Tamsulosin and Enalapril.

Tamsulosin and Enalapril have a documented minor interaction in FDA labeling.

FDA drug labeling documents a minor-severity interaction between Tamsulosin and Enalapril. 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

Tamsulosin

Alpha-1 Adrenergic Blocker

Drug B

Enalapril

ACE Inhibitor

How They Interact

There is no meaningful interaction between these drugs that would change their levels in your system.

FDA Label Information

7.5 Nifedipine, Atenolol, Enalapril Dosage adjustments are not necessary when tamsulosin hydrochloride capsules are administered concomitantly with nifedipine, atenolol, or enalapril [see Clinical Pharmacology (12.3)].

Tamsulosin Also Interacts With

View all Tamsulosin interactions →

Frequently Asked Questions

What SPL severity band is on file for Tamsulosin + Enalapril?

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?

Tamsulosin has 18 labeled pairs on file vs Enalapril's 16. In the minor band specifically: Tamsulosin has 9 (also Atenolol, Nifedipine, Ketoconazole, Digoxin); Enalapril has 15 (also Spironolactone, Hydralazine, Lithium, Prazosin).

What mechanism field is on file for Tamsulosin and Enalapril?

There is no meaningful interaction between these drugs that would change their levels in your system.

Tamsulosin's labeled portfolio outnumbers Enalapril

SPL source-record counts only. This page's band is minor · classes on file: Tamsulosin (Alpha-1 Adrenergic Blocker); Enalapril (ACE Inhibitor).

Tamsulosin

1 major · 8 moderate · 9 minor · 18 total

Enalapril

1 major · 0 moderate · 15 minor · 16 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.