The substance can inhibit the resorption of other drugs, as well as fat soluble vitamins (A, D, E, K) and folate, from the gut. Resulting lower blood levels can be clinically problematic with immunosuppressant and antiepileptic drugs.
Colestilan
Ibutilide
Amiodarone
Dofetilide
Sotalol
Nortilidine
Flecainide
Maprotiline