Hydrochlorothiazide and Propranolol Interaction

Drug interaction information between Hydrochlorothiazide and Propranolol.

Hydrochlorothiazide and Propranolol have a documented minor interaction in FDA labeling.

FDA drug labeling documents a minor-severity interaction between Hydrochlorothiazide and Propranolol. 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

Hydrochlorothiazide

Thiazide Diuretic

Drug B

Propranolol

Non-Selective Beta-Blocker

How They Interact

These drugs do not significantly change how the body processes or reacts to each other when taken at the same time.

FDA Label Information

No meaningful clinically important pharmacokinetic interactions occurred when lisinopril was used concomitantly with propranolol, digoxin, or hydrochlorothiazide.

Frequently Asked Questions

What SPL severity band is on file for Hydrochlorothiazide + Propranolol?

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?

Propranolol has 44 labeled pairs on file vs Hydrochlorothiazide's 31. In the minor band specifically: Hydrochlorothiazide has 27 (also Losartan, Spironolactone, Lithium, Amiloride); Propranolol has 44 (also Clonidine, Diltiazem, Warfarin, Verapamil).

What mechanism field is on file for Hydrochlorothiazide and Propranolol?

These drugs do not significantly change how the body processes or reacts to each other when taken at the same time.

Hydrochlorothiazide carries more major-labeled pairs than Propranolol

SPL source-record counts only. This page's band is minor · classes on file: Hydrochlorothiazide (Thiazide Diuretic); Propranolol (Non-Selective Beta-Blocker).

Hydrochlorothiazide has 3 major-labeled pairs vs Propranolol's 0. This page itself is in the minor band, not the major band.

Hydrochlorothiazide

3 major · 1 moderate · 27 minor · 31 total

Propranolol

0 major · 0 moderate · 44 minor · 44 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.