Diagnosis of hypothyroidism is based on symptoms and the results of blood tests (TSH level and thyroid hormone thyroxine). Low levels of thyroxine and high TSH level indicates a problem with the thyroid gland.
In addition, TSH tests are used to diagnose the condition, which is called subclinical hypothyroidism, which usually causes no outward signs or symptoms. In this condition a person normal blood levels of triiodothyronine and thyroxine is low, but levels of TSH higher than normal.
Hypothyroidism treatment
Standard treatment for hypothyroidism involves daily use of synthetic thyroid hormone. This medication restores adequate hormone levels, reversing the signs and symptoms of hypothyroidism.
One to two weeks after initiation of treatment, you will notice that you feel less tired. The drug is also gradually lowers cholesterol, elevated from the disease. Such treatment usually continues throughout life, so from time to time the dosage should be adjusted by doctor.
Determination of the proper dosage may take some time.
To determine the correct dosage initially doctor usually check TSH levels after two or three months of taking the drug. Excessive amounts of the hormone can cause side effects such as increased appetite, insomnia, heart palpitations, shakiness.
When coronary artery disease or severe hypothyroidism, doctor may start treatment with fewer drugs and gradually increase the dosage. Progressive hormone replacement allows heart to adapt to the increase.