URL copied Zydus Cadila gets USFDA nod for thyroid drug Drug firm Zydus Cadila has received final approval from the US health regulator to market Liothyronine Sodium tablets that are used to treat underactive thyroid. Liothyronine is a man-made form of thyroid hormone which is used to treat an underactive thyroid (hypothyroidism). It replaces or provides more thyroid hormone, which is normally made by the thyroid gland. Zydus Cadila has received final approval from the US Food and Drug Administration (USFDA) to market Liothyronine Sodium tablets USP, 5 mcg, 25 mcg, and 50 mcg, Ca...