Levothyroxine is used to treat medical problems related to thyroid hormone deficiency (hypothyroidism). Medicines often need to be used for a long time, so patients need to know some of the following notes to ensure effectiveness and safety during treatment.

Thyroid function tests specifically show some important thyroid indicators such as TSH, total T4, FT3, TSI. These indicators help doctors diagnose and provide appropriate treatment for thyroid diseases.

Hashimoto's thyroiditis is a condition of extensive lymphocytic infiltration, thyroid fibrosis, thyroid cell atrophy, and the presence of many strong eosinophils. There are many causes of thyroiditis.

As a very important endocrine gland, the thyroid gland participates in regulating the metabolic activities of most organs in the body. In clinical practice, to support the diagnosis and monitoring of thyroid disease treatment, doctors often prescribe thyroid function tests.