THYRONORM 50MCG TABLET contains Thyroxine, which belongs to the group of medicines called Synthetic thyroid hormones. It is used in the management of hypothyroidism. THYRONORM 50MCG TABLET is not recommended for use if you have unmanageed hyperthyroidism, unmanageed subclinical or overt thyrotoxicosis, unmanageed adrenal insufficiency, or pituitary insufficiency. Consult your doctor before taking it.