Euthyrox is a prescription medication containing 25 micrograms of levothyroxine sodium per tablet, used to treat thyroid hormone deficiency. This package contains 100 tablets manufactured by Merck. The medication helps replace or supplement natural thyroid hormones when the body doesn't produce enough. Euthyrox should be taken on an empty stomach, typically in the morning, 30-60 minutes before breakfast. The dosage is carefully determined by your healthcare provider based on blood tests and individual needs. The medication comes in a white box with green and pink accents, featuring the distinctive Merck branding and a butterfly logo. The package includes a QR code and patient helpline number for additional information and support.