Hyperthyroxinemia
Hyperthyroxinemia is a thyroid disease where the serum levels of thyroxine are higher than expected. Thyroxine or tetraiodothyronine (T4) is produced by the thyroid gland.
| Hyperthyroxinemia | |
|---|---|
| Other names | Hyperthyroxinaemia |
| Thyroxine | |
| Specialty | Endocrinology |
The term is sometimes used to refer to hyperthyroidism, but hyperthyroidism is a more general term.
When the level of thyroxine (T4) in the blood exceeds normal range, it can lead to symptoms such as irritability and unexplained weight loss.
Types include:
- Familial dysalbuminemic hyperthyroxinemia
- Familial euthyroid hyperthyroxinemia
- Thyroid hormone resistance syndrome
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