Levothyroxine (Synthroid) is an oral medication used to treat hypothyroidism (underactive thyroid). It's a lab-made version ...

Levothyroxine is a generic drug that’s prescribed for various conditions, including hypothyroidism in adults and some children. Levothyroxine comes in several forms. The dosage can vary ...

Levothyroxine sodium 100mcg, 200mcg, 500mcg; pwd for IV inj after reconstitution. Underlying cardiovascular disease. Monitor for cardiac arrhythmias during surgery in those with coronary artery ...