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healthfully.com/dangers-extremely-low-tsh-levels-5849401.html

What Are the Dangers of Extremely Low TSH Levels?. Low TSH levels indicate your body is producing too much thyroid hormone. This hormone serves many important functions, and excessive levels can cause a number of problems.

www.endocrineweb.com/conditions/thyroid/hypothyroidism-too...

But in the typical and most common form of hypothyroidism, the main thyroid hormone T4 is low, and the TSH level is high. The next question is: When is low too low, and when is high too high? Blood levels have "normal" ranges, but other factors need to be taken into account as well, such as the presence or absence of symptoms.

www.reference.com/health/symptoms-might-tsh-level-low-7...

Symptoms of low thyroid-stimulating hormone, or TSH, levels due to hyperthyroidism include rapid heartbeat, sudden weight loss, nervousness, tremors and increased appetite, notes Mayo Clinic. Some symptoms of low TSH levels due to secondary hypothyroidism are fatigue, depression, weight gain and cold intolerance, states UCLA Endocrine Surgery.

www.webmd.com/women/hypothyroidism-underactive-thyroid...

Extremely low levels of thyroid hormone can cause a life-threatening condition called myxedema. Myxedema is the most severe form of hypothyroidism. A person with myxedema can lose consciousness or ...

www.livestrong.com/article/240167-symptoms-of-low-tsh-levels

The thyroid gland is an organ that produces hormones that regulate important bodily functions, including metabolism. The thyroid is stimulated to produce its hormones by another hormone called thyroid stimulating hormone, or TSH. When thyroid hormone levels are abnormally high, TSH is typically low.

www.mdedge.com/.../approach-low-tsh-level-patience-virtue

A low TSH level is not always due to suppression caused by high thyroid hormone levels, other conditions, or medications. If thyroid hormone levels are low, a low TSH value can be the result of a central process (hypothalamic or pituitary or both). Severe euthyroid sick syndrome (also called “nonthyroidal illness” or “low T 3 syndrome”).

www.medhelp.org/posts/Thyroid-Disorders/Very-low-TSH/show/...

I was diagnosed with Hypothyroidism 2 years ago. I gained 30 pounds and I started to develop other symptoms as well. I have been taking Synthroid since. in my last blood test my TSH level was very low but I still have all the symptoms of hypothyroidism. Not as severe as they were 2 years ago but for ...

www.mayoclinic.org/.../symptoms-causes/syc-20350284

Low levels of thyroid hormone can interfere with ovulation, which impairs fertility. In addition, some of the causes of hypothyroidism — such as autoimmune disorder — can also impair fertility. Birth defects. Babies born to women with untreated thyroid disease may have a higher risk of birth defects compared to babies born to healthy mothers.

rmhealthy.com/10-signs-you-may-have-a-thyroid-problem

The two main types of thyroid problems are hyperthyroidism, which is the over activity of the thyroid gland, resulting in a rapid heartbeat and an increased rate of metabolism; and hypothyroidism, which is the abnormally low activity of the thyroid gland, resulting in retardation of growth and mental development in children and adults.

www.actforlibraries.org/low-tsh

Low TSH Levels – Symptoms, Causes & What to Do. Healthcare. The pituitary gland releases the thyroid-stimulating hormone (TSH), which is responsible for stimulating the release of the thyroid hormones namely thyroxine (T4) and triiodothyronine (T3). These two thyroid hormones are necessary for various body functions.