التداخل بين كوليسترامين وليفوثيروكسين وليوثيرونين

Drug Interactions Cholestyramine for Oral Suspension USP may delay or reduce the absorption of concomitant oral medication such as phenylbutazone, warfarin, thiazide diuretics (acidic), or propranolol (basic), as well as tetracycline, penicillin G, phenobarbital, thyroid and thyroxine preparations, estrogens and progestins, and digitalis.

Cholestyramine or Colestipol - Cholestyramine or colestipol binds both T 4 and T 3 in the intestine, thus impairing absorption of these thyroid hormones.

Therefore, four to five hours should elapse between administration of cholestyramine and thyroid hormones.