How to Read T4 Thyroid Test Numbers?

Answer Controlled by the hypothalamus and pituitary glands, the thyroid is an endocrine gland located in the neck of the human body. This gland produces thyroid hormones triiodothyronine (T3) and thyroxin... Read More »

Top Q&A For: How to Read T4 Thyroid Test Numbers

How do you test for low thyroid function?

A common disease in women, hypothyroidism is a condition in which the thyroid gland cannot maintain sufficient levels of T3 and T4 hormones in the blood. Because T3 and T4 play a major role in regu... Read More »

Can you drink coffee before a thyroid test?

If you are only being tested for thyroid function, and your doctor has not asked you to do otherwise, you do not need to fast.

What is the best blood test to take for thyroid?

TSH is the most common test but you should know there is controversy as to what the "normal" range is for TSH. A TSH of less than .5 is considered hyperthyroid, and a TSH of more than 5.5 is consi... Read More »

I am getting a blood test to check my thyroid function. What will happen next?

The results will tell whether your thyroid is normal, underactive or overactive. If it's under or over, your doctor will put you on medication to correct it. If it's normal, he'll have to start l... Read More »