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LEVOTHYROXINE SODIUM
- ... Coumadin, Jantoven); digoxin (Lanoxin); laxatives; lithium (Lithobid); or thyroxine. Your doctor may need to change the doses ...
- ... hours before or 4 hours after you take levothyroxine. If you take cholestyramine (Prevalite), colesevelam (Welchol), colestipol (Colestid), sevelamer (Renvela, Renagel), or sodium polystyrene sulfonate (Kayexalate), take it at least 4 ...