Hyperthyroidism Low TSH

The main causes of low TSH in hyperthyroidism include increased thyroid hormone levels and central hyperthyroidism.

1. Increased thyroid hormone levels High

thyroid hormone levels will cause negative feedback, resulting in reduced TSH secretion. This is a self-regulatory mechanism of the body to maintain the balance of thyroid hormone levels.

2. Central hyperthyroidism

Central hyperthyroidism refers to hyperthyroidism caused by dysfunction of the hypothalamic-pituitary axis. At this time, due to the presence of secondary TSH increase, there will also be a phenomenon of TSH decrease.

Treatment methods for hyperthyroidism and low TSH include drug therapy, surgical treatment, etc.

1. Drug treatment

should follow the doctor's advice to use methimazole, propylthiouracil, etc., which can inhibit the activity of peroxidase, reduce the synthesis of thyroxine, thus effectively improving the low TSH situation, and greatly help the remission and control of hyperthyroidism.

2. Surgical treatment is

suitable for obvious goiter, compression symptoms or suspected malignant transformation, as well as failure of drug treatment and radioactive iodine treatment. There are mainly two kinds of thyroidectomy and partial thyroidectomy.