The term “borderline hypothyroidism” typically is used when blood tests show that your body’s level of TSH is slightly above normal, but your T3 and T4 levels are normal. Another name for this condition is subclinical hypothyroidism.
What is considered mild hypothyroidism?
Subclinical, or mild, hypothyroidism doesn’t meet the standard definition of hypothyroidism. In mild hypothyroidism, you may or may not have symptoms and your levels of T4 and T3 are normal, but your TSH levels are slightly elevated. Mild hypothyroidism is diagnosed by a blood test.
What level of TSH indicates hypothyroidism?
Normal and Abnormal TSH Ranges
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.
What is a borderline thyroid?
Subclinical (borderline) hypothyroidism
Some people have a mildly underactive thyroid, with few or no symptoms. Doctors call this subclinical hypothyroidism. If you have this, your blood test will show that your TSH is raised but your free T4 is normal. This is fairly common, especially in older people.
What are normal hypothyroid levels?
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.
Do you have hypothyroidism look at your hands?
Signs and symptoms of hypothyroidism can show up in the hands and nails. Hypothyroidism can cause dermatologic findings such as nail infection, vertical white ridges on the nails, nail splitting, brittle nails, slow nail growth, and nails lifting up.
Should borderline hypothyroidism be treated?
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.
What is a good TSH level for a woman?
The normal range of TSH levels in non-pregnant adult women is 0.5 to 5.0 mIU/L. In women, during the menstruation cycle, pregnancy, or after menopause, TSH levels may fall slightly outside the normal range, because of fluctuating levels of estrogen.
Is a TSH level of 8 too high?
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 a TSH level of 3.5 normal?
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.
What are early warning signs of thyroid problems?
Because our biological functions are so often tied to our hormones, there are a number of symptoms that could indicate an issue with your thyroid.
- High Heart Rate. …
- Excessive Tiredness. …
- Anxiety. …
- Weight Gain or Loss. …
- Body Shakes. …
- Feeling Chilly or Overheated. …
- Trouble Concentrating. …
- Hair Loss.
How do I check my thyroid at home?
How to Take the Thyroid Neck Check
- Hold a handheld mirror in your hand, focusing on the lower front area of your neck, above the collarbones, and below the voice box (larynx). …
- While focusing on this area in the mirror, tilt your head back.
- Take a drink of water while tilting your head back and swallow.
What foods affect hypothyroidism?
Which nutrients are harmful?
- soy foods: tofu, tempeh, edamame, etc.
- certain vegetables: cabbage, broccoli, kale, cauliflower, spinach, etc.
- fruits and starchy plants: sweet potatoes, cassava, peaches, strawberries, etc.
- nuts and seeds: millet, pine nuts, peanuts, etc.
Can you have normal TSH and still be hypothyroid?
An individual may have normal TSH levels but still not be utilizing thyroid stimulating hormone correctly, leading to a thyroid imbalance. Your doctor should also be looking at your other values such as T3 and T4 levels. These can provide more information about how well your thyroid is actually functioning.
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.
What is a normal T4 free level for a woman?
In adults, normal levels of total T4 range from 5–12 micrograms per deciliter (mcg/dl) of blood. Normal levels of free T4 range from 0.8–1.8 nanograms per deciliter (ng/dl) of blood. Normal T4 levels also vary across trimesters of pregnancy.