Medically reviewed by Kelly Wood, MD Key Takeaways High TSH levels usually mean the thyroid is underactive, which is called hypothyroidism.  TSH levels can change due to factors like age, sex, and ...

Metformin use was associated with a reduction in thyroid-stimulating hormone (TSH) levels among patients with type 2 diabetes who also had treated hypothyroidism, a new large database analysis finds.

Dear Doctor: My mother and father have hypothyroidism, as do my two younger sisters. Now I've been experiencing symptoms that would indicate thyroid problems. My doctor checked my T3 and TSH levels, ...

Your thyroid levels can fluctuate due to inconsistent medication intake. Pregnancy can cause changes in thyroid hormone levels, so regular monitoring is important. Thyroid hormone drugs can vary in ...

The thyroid is a butterfly-shaped gland located in the front of the neck just above the trachea. It weighs approximately 15 to 20 grams in the adult human. The thyroid produces and releases into the ...

Subclinical hyperthyroidism means that a person has low or undetectable levels of thyroid-stimulating hormone (TSH) with normal levels of free thyroid hormones. It usually does not cause symptoms. The ...

If a person wants to carry out a thyroid test, they may consider one of the following from these popular companies. None of these companies state that the Food and Drug Administration (FDA) approves ...