title: Colesevelam hydrochloride and lanthanum carbonate interfere with the absorption of levothyroxine.
authors.forename: Steven P
authors.initials: SP
authors.lastname: Weitzman
authors.forename: Karyn C
authors.initials: KC
authors.lastname: Ginsburg
authors.forename: Harold E
authors.initials: HE
authors.lastname: Carlson
mesh_terms: D000328:Adult; D000499:Allylamine / Q000031:analogs & derivatives* / Q000494:pharmacology; D000924:Anticholesteremic Agents / Q000494:pharmacology*; D000069472:Colesevelam Hydrochloride; D004347:Drug Interactions; D005260:Female; D006801:Humans; D007811:Lanthanum / Q000494:pharmacology*; D008297:Male; D013972:Thyrotropin / Q000097:blood; D013974:Thyroxine / Q000097:blood / Q000493:pharmacokinetics*
chemical_list: D000924:Anticholesteremic Agents; D000499:Allylamine; C119467:lanthanum carbonate; D007811:Lanthanum; D013972:Thyrotropin; D000069472:Colesevelam Hydrochloride; D013974:Thyroxine