Table of Contents
What does the TSH hormone do?
Thyroid stimulating hormone is produced and released into the bloodstream by the pituitary gland. It controls production of the thyroid hormones, thyroxine and triiodothyronine, by the thyroid gland by binding to receptors located on cells in the thyroid gland.
What hormone is affected by TSH?
TSH, in turn, stimulates thyroid follicular cells to release thyroxine or T4 (80%), and triiodothyronine or T3 (20%). Somatostatin, on the other hand, is another hormone produced by the hypothalamus that inhibits the release of TSH from the anterior pituitary.
What is a normal TSH level in a woman?
TSH normal values are 0.5 to 5.0 mIU/L. Pregnancy, a history of thyroid cancer, history of pituitary gland disease, and older age are some situations when TSH is optimally maintained in different range as guided by an endocrinologist. FT4 normal values are 0.7 to 1.9ng/dL.
What triggers TSH hormone?
Test Overview 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 stops TSH production?
Although TSH controls the release of T3 and T4, T3 and T4 also have an effect on TSH: “Once your T4 and T3 hormone levels reach a certain limit, they send a negative feedback loop to the pituitary to stop producing TSH,” says Dr. Carrie Lam, MD, FAAMFM, ABAARM. This loop helps to keep the hormones levels balanced.
At what level of TSH do you treat?
If your TSH level is higher than 10 mIU/L, you should start treatment, because you will develop symptoms of an underactive thyroid, even if you don’t have them now.
How do I get my TSH levels down?
- Radioactive iodine to slow down your thyroid.
- Anti-thyroid medications to prevent it from overproducing hormones.
- Beta blockers to reduce a rapid heart rate caused by high thyroid levels.
- Surgery to remove the thyroid (this is less common)
Can stress affect TSH levels?
“Stress increases production of the hormone cortisol, which is produced by the adrenal glands. Cortisol can inhibit secretion of TSH (thyroid stimulating hormone) from the pituitary gland, leading to partial suppression of thyroxine, the main hormone produced by the thyroid gland,” Dr. Guandalini explains.
What should I eat if my TSH is high?
Antioxidant-rich fruits and vegetables Blueberries, tomatoes, bell peppers, and other foods rich in antioxidants can improve overall health and benefit the thyroid gland. Eating foods high in B vitamins, like whole grains, may also help.
How do you stimulate TSH production?
Exercise will force the body to burn more calories and use more energy. Iodine is needed for the body to be able to produce the thyroid-stimulating hormone (TSH) that activates the thyroid.
What organs does the thyroid affect?
What Does Your Thyroid Do? It produces two main hormones called T3 and T4, which travel through your blood to all parts of your body, influencing the function of your body’s most important organs, including your heart, brain, liver, kidneys, and skin.
Can exercise reduce TSH levels?
For example, can exercise impact TSH levels? Human and animal studies have found that one-time exercise, but not regular exercise can affect the levels of thyroid hormones directly after exercise. However, when a person exercises regularly, their body adapts and does not produce different levels of thyroid hormones.