Pure cholestyramine resin is an alternative to commercially available forms of cholestyramine. The cholestyramine that is commercially available contains sweeteners and additives that cause sensitivity reactions in some patients. This medication can be made by a compounding pharmacy without any of these added ingredients. 

Cholestyramine is a binder that was originally approved for treating hypercholesterolemia. It binds to bile acids to enhance excretion of cholesterol. Due to its effectiveness as a binder, it has been used to remove certain toxins from the body as well.