Elevated T4 levels may indicate hyperthyroidism. They may also indicate other thyroid problems, such as thyroiditis or toxic multinodular goiter. Other reasons for abnormal results may include: high levels of protein in the blood.

Besides, How can I lower my free T4?


Treatment options include:

  1. Medication: Medications called thionamides stop the thyroid from producing too many hormones.
  2. Radioiodine therapy: This type of radiotherapy destroys the cells in the thyroid gland, reducing the level of hormones that the thyroid produces.

Keeping this in mind, How is high free T4 treated? Antithyroid Medications: Antithyroid medications (sometimes written anti-thyroid) prevent the thyroid from producing excess amounts of T4 and T3 hormones. There are 2 types of antithyroid medications used in the US—propylthiouracil (PTU) and methimazole (also known as Tapazole).

What is the effect of high T4?

High amounts of T4, T3, or both can cause an excessively high metabolic rate. This is called a hypermetabolic state. When in a hypermetabolic state, you may experience a rapid heart rate, elevated blood pressure, and hand tremors. You may also sweat a lot and develop a low tolerance for heat.

What is a high T4 free level?

The normal range for free T 4 in adults is 0.8 to 1.8 nanograms per deciliter (ng/dL). A level of free T 4 that is higher than normal could mean you have an overactive thyroid. Conditions associated with hyperthyroidism include Graves disease, an autoimmune disorder.

How do you treat high T4 levels?

Antithyroid Medications: Antithyroid medications (sometimes written anti-thyroid) prevent the thyroid from producing excess amounts of T4 and T3 hormones. There are 2 types of antithyroid medications used in the US—propylthiouracil (PTU) and methimazole (also known as Tapazole).

What are symptoms of high T4?

High amounts of T4, T3, or both can cause an excessively high metabolic rate.




Other symptoms of hyperthyroidism include:

  • increased appetite.
  • nervousness.
  • restlessness.
  • inability to concentrate.
  • weakness.
  • irregular heartbeat.
  • difficulty sleeping.
  • fine, brittle hair.

What is a good free T4 level?

The normal range for free T 4 in adults is 0.8 to 1.8 nanograms per deciliter (ng/dL). A level of free T 4 that is higher than normal could mean you have an overactive thyroid. Conditions associated with hyperthyroidism include Graves disease, an autoimmune disorder.

What is the best treatment for hyperthyroidism?

Radioactive iodine is the most widely-recommended permanent treatment of hyperthyroidism. This treatment takes advantage of the fact that thyroid cells are the only cells in the body which have the ability to absorb iodine.

How can you lower your thyroid levels?


Possible treatments include:

  1. Radioactive iodine. Taken by mouth, radioactive iodine is absorbed by your thyroid gland, where it causes the gland to shrink. …
  2. Anti-thyroid medications. …
  3. Beta blockers. …
  4. Surgery (thyroidectomy).

Can hyperthyroidism be cured completely?

Can hyperthyroidism be cured? Yes, there is a permanent treatment for hyperthyroidism. Removing your thyroid through surgery will cure hyperthyroidism. However, once the thyroid is removed, you will need to take thyroid hormone replacement medications for the rest of your life.

What are the symptoms of high T4 levels?


Symptoms of hyperthyroidism, also known as overactive thyroid, include:

  • Anxiety.
  • Weight loss.
  • Tremors in the hands.
  • Increased heart rate.
  • Puffiness.
  • Bulging of the eyes.
  • Trouble sleeping.

Can high T4 cause weight gain?

According to Dr. Kitahara, if someone has low thyroid function, their TSH is high, and the thyroid hormones known as T3 and T4 are low—and weight gain often occurs. If someone has an overactive thyroid or hyperthyroidism, TSH is usually low, the T3 and T4 are high, and weight loss occurs.

What is considered a high T4 level?

Low T4 is seen with hypothyroidism, whereas high T4 levels may indicate hyperthyroidism. Normal range for an adult: 5.0 – 11.0 ug/dL (micrograms per deciliter of blood).

What is the normal range for T4 free?

A typical normal range is 0.9 to 2.3 nanograms per deciliter (ng/dL), or 12 to 30 picomoles per liter (pmol/L). Normal value ranges may vary slightly among different laboratories. Some laboratories use different measurements or may test different specimens.

What level of T4 indicates hypothyroidism?

TSH > 4.0/mU/L with a low T4 level indicates hypothyroidism.

If your TSH is > 4.0 mU/L and your T4 level is normal, this may prompt your physician to test your serum anti-thyroid peroxidase (anti-TPO) antibodies.

Why would T4 be high?

T4 is measured by taking a blood sample. A low T4 test result may indicate an underactive thyroid gland or problems with its stimulation by the pituitary gland. A high level of T4 may be a sign of an overactive thyroid, called hyperthyroidism.

What is a very high T4 level?

T4: thyroxine tests for hypothyroidism and hyperthyroidism, and used to monitor treatment of thyroid disorders. Low T4 is seen with hypothyroidism, whereas high T4 levels may indicate hyperthyroidism. Normal range for an adult: 5.0 – 11.0 ug/dL (micrograms per deciliter of blood).

What T4 levels indicate hyperthyroidism?

Low T4 is seen with hypothyroidism, whereas high T4 levels may indicate hyperthyroidism. Normal range for an adult: 5.0 – 11.0 ug/dL (micrograms per deciliter of blood).

What if T4 is high and TSH is normal?

A normal TSH and normal T4 show a normal thyroid. A low TSH and high T4 generally means an overactive thyroid. A high TSH and low T4 means an underactive thyroid.

What is the normal range for T4 thyroid?

T4: thyroxine tests for hypothyroidism and hyperthyroidism, and used to monitor treatment of thyroid disorders. Low T4 is seen with hypothyroidism, whereas high T4 levels may indicate hyperthyroidism. Normal range for an adult: 5.0 – 11.0 ug/dL (micrograms per deciliter of blood).

What is normal T4 level in female?

A normal total T4 level in an adult is in the range of 5.0 to 12.0 mcg/dL (microgram/deciliter). High T4 indicates hyperthyroidism and low T4 indicates hypothyroidism.

What is a bad T4 level?

In adults, the typical range for free T4 is between . 9 and 2.4 nanograms per deciliter. Total T4 tends to vary more with age. An abnormally high T4 level may indicate hyperthyroidism, thyroiditis, or goiter. It may lead to additional tests for Graves’ disease.