ARTICLES

Causes of low thyroid-stimulating hormone, or TSH, levels include hyperthyroidism; a damaged pituitary gland that is unable to make TSH, called secondary hypothyroidism; and taking excess thyroid medicine when treating a...

www.reference.com/world-view/causes-low-tsh-levels-ab03a54f67da614d

Subclinical hyperthyroidism causes a low thyroid stimulating hormone level and a normal free thyroxine, or T4, level, according to WebMD. The cause of subclinical hyperthyroidism may be endogenous due to the overproducti...

www.reference.com/article/causes-low-tsh-level-normal-t4-level-7e758324bd99efea

According to About.com, low levels of TSH, or thyroid-stimulating hormone, occur when the pituitary gland shuts down TSH production due to high levels of thyroid hormone in the blood. The low levels of TSH are the pituit...

www.reference.com/world-view/low-tsh-levels-mean-56f31f1efbb8aed9

SIMILAR ARTICLES

Causes of high thyroid-stimulating hormone, or TSH, levels include hypothyroidism, excess anti-thyroid medication and a tumor in the pituitary gland, according to LabTestsOnline. TSH is produced in the pituitary gland, a...

www.reference.com/world-view/causes-high-tsh-levels-527b425ba712ad18

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 lev...

www.reference.com/world-view/symptoms-might-tsh-level-low-7bcbbf079cd6240c

Low thyroid-stimulating hormone, or TSH, levels can lead to symptoms such as fatigue, leg cramps, dry skin and a feeling of being too cold and can cause an underactive thyroid gland, or hypothyroidism, explains Cleveland...

www.reference.com/world-view/symptoms-low-tsh-619f26a5bba56de8

According to WebMD, high TSH (thyroid-stimulating hormone) levels indicate an underactive thyroid gland (hypothyroidism). Common symptoms include feeling weak, tired or depressed, sensitivity to cold, constipation, britt...

www.reference.com/world-view/symptoms-associated-high-tsh-levels-1c31fe0e1969ad54