What happens if your thyroid stimulating hormone is high?
If your TSH levels are abnormally high, it could mean you have an underactive thyroid, or hypothyroidism. That’s because it indicates your pituitary gland is producing more TSH in an effort to stimulate your thyroid to produce thyroid hormone, according to the Mayo Clinic.
What triggers the thyroid stimulating hormone?
TSH is produced when the hypothalamus releases a substance called thyrotropin-releasing hormone (TRH). TRH then triggers the pituitary gland to release TSH. TSH causes the thyroid gland to make two hormones: triiodothyronine (T3) and thyroxine (T4). T3 and T4 help control your body’s metabolism.
What is meant by thyroid stimulating hormone?
A hormone produced by the pituitary gland. Thyroid-stimulating hormone stimulates the release of thyroid hormone from thyroglobulin. It also stimulates the growth of thyroid follicular cells.
What happens if thyroid stimulating hormone is low?
Symptoms of low TSH include weight loss, fatigue, confusion, heat intolerance, fast heartbeat, high blood pressure and other symptoms. The endocrine system is responsible for regulating the function of organs in your body. The pituitary gland produces thyroid stimulating hormone (TSH).
What are the dangers of low TSH?
High or low levels of thyroid-stimulating hormone may increase total morality risk in adults, and low TSH may specifically increase the risks for incident cardiovascular disease, coronary heart disease and stroke, study data show.
What is normal thyroid level?
The normal range of TSH levels is 0.4 to 4.0 milli-international units per liter. If you’re already being treated for a thyroid disorder, the normal range is 0.5 to 3.0 milli-international units per liter. A value above the normal range usually indicates that the thyroid is underactive.
What is a high thyroid level?
A high TSH level—above 5.0 mU/l—indicates an underactive thyroid, also known as hypothyroidism. This means your body is not producing enough thyroid hormone. Live.