Subclinical hypothyroidism is defined as a thyroid stimulating hormone (TSH) level of 4.6 to 10 mIU/L. A normal TSH level is 0.4 to 4.0 and full-blown hypothyroidism is 10 or higher.
Is TSH 6.5 high?
Thyroid stimulating hormone (TSH), is the most common test that is ordered if your healthcare provider thinks that your thyroid gland is not functioning properly. A gland, called the pituitary gland, secretes TSH.
Normal Levels of Thyroid Hormones*
Is TSH 6.8 high?
According to guidelines issued by the American Association of Clinical Endocrinologists (AACE) and the American Thyroid Association (ATA), a TSH value: Between 4.7 and 10 mU/L is considered subclinical hypothyroidism. Over 10 mU/L is overt (symptomatic) hypothyroidism.
Should a TSH of 6 Be Treated?
Treatment is sometimes recommended already starting at TSH levels of over 6 mU/L in people with high levels of thyorid antibodies (Hashimoto’s thyroiditis). That is done to prevent subclinical hypothyroidism from becoming overt hypothyroidism. There is hardly any research on whether treatment can achieve that goal.
What happens if TSH level is high?
High TSH levels can mean your thyroid is not making enough thyroid hormones, a condition called hypothyroidism. Low TSH levels can mean your thyroid is making too much of the hormones, a condition called hyperthyroidism. A TSH test does not explain why TSH levels are too high or too low.
Is a TSH level of 7 high?
According to Cappola, her research regarded mildly elevated TSH levels as those in the 4.5 to 7 mU/L range, while very elevated TSH levels were considered to be those greater than 20 mU/L.
At what level of TSH do you treat?
If your TSH level is elevated to between 4.5 and 10 mIU/L and your T4 is normal, you should be considered for treatment with thyroid medication, especially if you have symptoms of hypothyroidism, or you have a positive test for thyroid antibodies, a history of heart disease, or risk factors for atherosclerosis.
How do I lower my TSH level?
- Radioactive iodine to slow down your thyroid.
- Anti-thyroid medications to prevent it from overproducing hormones.
- Beta blockers to reduce a rapid heart rate caused by high thyroid levels.
- Surgery to remove the thyroid (this is less common)
How do you treat high TSH levels?
Standard treatment for hypothyroidism involves daily use of the synthetic thyroid hormone levothyroxine (Levo-T, Synthroid, others). This oral medication restores adequate hormone levels, reversing the signs and symptoms of hypothyroidism. You’ll likely start to feel better soon after you start treatment.
What are the risks of high TSH levels?
- Goiter. Constant stimulation of your thyroid to release more hormones may cause the gland to become larger — a condition known as a goiter. …
- Heart problems. …
- Mental health issues. …
- Peripheral neuropathy. …
- Myxedema. …
- Infertility. …
- Birth defects.
What is a normal TSH level for a man?
The normal range of TSH levels in adults is between 0.4 to 4.0 mIU/L (milli-international units per liter). Some research suggests that this range should actually be more like 0.45 to 2.5 mIU/L. The TSH range may also vary slightly based on the testing facility where your blood is being analyzed.
Does stress affect TSH levels?
Some research has found inflammatory cytokines, which are released into the body during a stress response, can reduce levels of thyroid-stimulating hormone (TSH). When you have a thyroid illness or imbalance, you’re more likely to have inflammation in the body, which can lead to other diseases and health problems.
What is the normal range for TSH?
TSH normal values are 0.5 to 5.0 mIU/L. Pregnancy, a history of thyroid cancer, history of pituitary gland disease, and older age are some situations when TSH is optimally maintained in different range as guided by an endocrinologist. FT4 normal values are 0.7 to 1.9ng/dL.
How high can a TSH level go?
The standard reference range for the TSH level is anywhere between 0.30 and 5.0 uIU/mL. If your TSH level is higher than 5.0 uIU/mL, then the lab will flag you as “high,” and you may experience the symptoms listed above 5.0 uIU/mL. Values of the TSH level more than 10.0 uIU/mL need long-term thyroid supplements.
What foods are bad for thyroid?
So if you do, it’s a good idea to limit your intake of Brussels sprouts, cabbage, cauliflower, kale, turnips, and bok choy, because research suggests digesting these vegetables may block the thyroid’s ability to utilize iodine, which is essential for normal thyroid function.
What if TSH is more than 100?
If your TSH levels are abnormally high, it could mean you have an underactive thyroid, or hypothyroidism. That’s because it indicates your pituitary gland is producing more TSH in an effort to stimulate your thyroid to produce thyroid hormone, according to the Mayo Clinic.