The 10 books voted most valuable to humanity. The bottom half of writers â those who received less than Â£10,432 in 2013 â earned just 7 per cent of total earnings between them. âIt appears that writing is a profession where only a handful of successful authors make a good living while most do not,â the report said.
When a patientâs dose requirements seem to fluctuate unexpectedly, one must consider factors that can interfere with absorption. The cholesterol lowering resins cholestyramine (Questran) and colestipol, and the antacid medication carafate may bind levothyroxine in the gastrointestinal tract and prevent its absorption.
This article is about levothyroxine as a pharmaceutical drug. For its role as a hormone, see Thyroid hormone. Levothyroxine (INN, USAN) or L-thyroxine is a synthetic thyroid hormone that is chemically identical to thyroxine (T 4), which is naturally secreted by the follicular cells of the thyroid gland. It is used to treat thyroid hormone deficiency, and occasionally to prevent the recurrence of thyroid cancer. Like its naturally secreted counterpart, levothyroxine is a chiral compound in the L-form. The related drug dextrothyroxine (.