Cholestyramine and Raloxifene Interaction

Drug interaction information between Cholestyramine and Raloxifene.

Cholestyramine and Raloxifene have a documented moderate interaction in FDA labeling.

FDA drug labeling documents a moderate-severity interaction between Cholestyramine and Raloxifene. 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

Cholestyramine

Bile Acid Sequestrant

Drug B

Raloxifene

Selective Estrogen Receptor Modulator (SERM)

How They Interact

Cholestyramine can stick to other medicines in your digestive tract and prevent them from being absorbed into your body. This makes the other medicine, like raloxifene, much less effective.

FDA Label Information

7 DRUG INTERACTIONS Cholestyramine : Use with raloxifene hydrochloride is not recommended. (7.3 , 12.3) 7.1 Cholestyramine Concomitant administration of cholestyramine with raloxifene hydrochloride is not recommended.

Raloxifene Also Interacts With

View all Raloxifene interactions →

Frequently Asked Questions

What SPL severity band is on file for Cholestyramine + Raloxifene?

Compiled FDA labeling labels this pair moderate. That is a source-record field, not an individual medication-combination decision.

Which drug in this pair has the larger labeled-interaction portfolio?

Cholestyramine has 34 labeled pairs on file vs Raloxifene's 7. In the moderate band specifically: Cholestyramine has 3 (also Naproxen, Olmesartan); Raloxifene has 3 (also Diazepam, Diazoxide).

What mechanism field is on file for Cholestyramine and Raloxifene?

Cholestyramine can stick to other medicines in your digestive tract and prevent them from being absorbed into your body. This makes the other medicine, like raloxifene, much less effective.

Cholestyramine's labeled portfolio outnumbers Raloxifene

SPL source-record counts only. This page's band is moderate · classes on file: Cholestyramine (Bile Acid Sequestrant); Raloxifene (Selective Estrogen Receptor Modulator (SERM)).

Cholestyramine

0 major · 3 moderate · 31 minor · 34 total

Raloxifene

0 major · 3 moderate · 4 minor · 7 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.