Pill with imprint 584 is White, Capsule-shape and has been identified as Liothyronine Sodium 50 mcg. It is supplied by Zydus Pharmaceuticals (USA) Inc.

Liothyronine is used in the treatment of Underactive Thyroid; Myxedema; Hypothyroidism, After Thyroid Removal; TSH Suppression; Thyroid Suppression Test and belongs to the drug class thyroid drugs. Studies show no risk during pregnancy. Liothyronine 50 mcg is not a controlled substance under the Controlled Substances Act (CSA).