EUTHYROX
According to the FDA label: EUTHYROX is L-thyroxine (T4) indicated in pediatric and adult patients for: Hypothyroidism: As replacement in primary (thyroidal), secondary (pituitary), and tertiary (hypothalamic) congenital or acquired hypothyroidism. ( 1 ) Pituitary Thyrotropin (Thyroid-Stimulating Hormone, TSH) suppression: As an adjunct to surgery and radioiodine therapy in the management of thyrotropin-dependent well-differentiated thyroid cancer.
109,328 adverse event reports submitted to the FDA (1997–2026)
Top Reported Adverse Events
The most frequently reported events in association with EUTHYROX in the FAERS database. These are events reported by patients taking this medication — not necessarily caused by it. A single report may include multiple events.
Who Is Reporting
Demographics of patients in FAERS reports that included this information. Not all reports include patient demographics.
By Sex
By Age Group
Reported Outcomes
Outcomes recorded in FAERS reports that included EUTHYROX. A single report may involve multiple reactions, each with a different outcome. These categories are defined by FDA reporting guidelines, not by PillSignal.
Report Volume Over Time
Number of FAERS reports received per quarter for EUTHYROX. Changes in volume may reflect shifts in prescribing rates, media attention, or reporting behavior — not changes in the medication's safety profile.
Related Drugs
Other medications with similar adverse event profiles in FDA FAERS reports.
Data Source
This data is sourced from the FDA Adverse Event Reporting System (FAERS) via the OpenFDA API. PillSignal is not affiliated with the FDA.
View this data on the FDA website →