level in your blood reveals how much T4 your pituitary gland is asking your thyroid gland to make. If your TSH levels are abnormally high, it could mean you have an underactive thyroid
, or hypothyroidism. If your TSH is higher than 4.0 mU/L on repeat tests, you probably have hypothyroidism.
This constant bombardment with high levels of TSH may cause the thyroid gland to become enlarged and form a goiter (termed a "compensatory goiter"). Left untreated, the symptoms of hypothyroidism will usually progress. Rarely, complications can result in severe life-threatening depression
, heart failure
, or coma.
Soy and coffee
: They may lower your body's ability to use hormone medication.
Kelp and seaweed. You may have heard you should stay away from these because they're high in iodine
, which can interfere with your thyroid.