What Is Normal For A TSH Blood Test?

What is the best time of day to take a TSH blood test?

I recommend getting your thyroid function tests done first thing in the morning, bringing your medications with you, and taking them right after you have your thyroid function tests to ensure that you get accurate test results..

What causes TSH to rise?

Your TSH levels will be increased, if: Your thyroid gland is not working as it normally should. Your thyroid gland is infected or inflamed, as in Hashimoto’s thyroiditis, or autoimmune thyroiditis. This occurs when your body is attacking your thyroid gland, for some unknown reason.

Can thyroid problems cause female problems?

In women, thyroid diseases can cause: Problems with your menstrual period. Your thyroid helps control your menstrual cycle. Too much or too little thyroid hormone can make your periods very light, heavy, or irregular.

What is a normal TSH level in a woman?

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.

What is a good TSH level?

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.

What is a TSH blood test looking for?

TSH stands for thyroid stimulating hormone. A TSH test is a blood test that measures this hormone. The thyroid is a small, butterfly-shaped gland located near your throat. Your thyroid makes hormones that regulate the way your body uses energy.

How high is too high for TSH?

Experts don’t agree on which TSH levels should be considered too high. Some suggest that TSH levels of over 2.5 milliunits per liter (mU/L) are abnormal, while others consider levels of TSH to be too high only after they have reached 4 to 5 mU/L.

What are early warning signs of thyroid problems?

Hypothyroidism signs and symptoms may include:Fatigue.Increased sensitivity to cold.Constipation.Dry skin.Weight gain.Puffy face.Hoarseness.Muscle weakness.More items…•

Can thyroid problems not show up in blood tests?

More problems with standard testing… Thyroid hormone resistance cannot be detected on routine tests. Studies point out that levels of thyroid hormone can test normal in blood but may actually be low in the tissues that so desperately need it.

What is a normal TSH level for a 45 year old woman?

The typical range of reference for TSH levels is anywhere between 0.45 and 4.5 milliunits per liter (mU/L) . A recent study suggests that the normal range should be more like 0.45 to 4.12 mU/L. TSH can vary wildly based on your age, sex, and stage of life.

How do I read my TSH results?

A normal range for TSH in most laboratories is 0.4 milliunits per liter (mU/L) to 4.0 mU/L. If your TSH is higher than 4.0 mU/L on repeat tests, you probably have hypothyroidism. Your doctor may also order a T4 test. Most of the T4 in your blood attaches to a protein, and when it does, it can’t get into your cells.

How do I get my TSH levels down?

If your thyroid is overactive, there are several options: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)

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.

What does a thyroid do in a woman?

The thyroid gland One of its main functions is to produce hormones that help regulate the body’s metabolism (the process that turns food into energy). These hormones are called triiodothyronine (T3) and thyroxine (T4). Many of the body’s functions slow down when the thyroid does not produce enough of these hormones.

Is a TSH level of 5.5 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.

Can low TSH 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.

Can stress affect TSH levels?

Increased levels of glucocorticoids lower the levels of TSH in the blood. A delicate balance between stress hormones and cortisol must exist for proper thyroid function. If this delicate balance changes, your thyroid symptoms may increase.

How can I check my thyroid at home?

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). Your thyroid gland is located in this area of your neck. 2. While focusing on this area in the mirror, tilt your head back.