Miglitol and Propranolol Interaction

Drug interaction information between Miglitol and Propranolol.

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

FDA drug labeling documents a minor-severity interaction between Miglitol 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

Miglitol

Alpha-Glucosidase Inhibitor

Drug B

Propranolol

Non-Selective Beta-Blocker

How They Interact

Miglitol reduces the amount of propranolol that your body absorbs into the blood by about 40%.

FDA Label Information

Other healthy volunteer studies have demonstrated that miglitol may significantly reduce the bioavailability of ranitidine and propranolol by 60% and 40%, respectively.

Frequently Asked Questions

What SPL severity band is on file for Miglitol + 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 Miglitol's 7. In the minor band specifically: Miglitol has 7 (also Metformin, Warfarin, Nifedipine, Glyburide); Propranolol has 44 (also Clonidine, Diltiazem, Warfarin, Verapamil).

What mechanism field is on file for Miglitol and Propranolol?

Miglitol reduces the amount of propranolol that your body absorbs into the blood by about 40%.

Propranolol's labeled portfolio outnumbers Miglitol

SPL source-record counts only. This page's band is minor · classes on file: Miglitol (Alpha-Glucosidase Inhibitor); Propranolol (Non-Selective Beta-Blocker).

Miglitol

0 major · 0 moderate · 7 minor · 7 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.