Is TSH 1.46 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.

Is 1.4 TSH level normal?

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 does a TSH of 1.4 mean?

A TSH level higher than 5.0 usually indicates an underactive thyroid (hypothyroidism) and a TSH level lower than 0.4 indicates the presence of excessive thyroid hormone and overactive thyroid (hyperthyroidism). The normal range may vary slightly in different laboratories.

What is considered a dangerously high TSH levels symptoms?

Too high a dose could cause symptoms such as nervousness, palpitations, or insomnia, which are typical of hyperthyroidism (overactive thyroid). Some recent studies have suggested that too much thyroid hormone may also cause increased calcium loss from bone, increasing the risk of osteoporosis.

What are the normal levels of TSH?

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.

What is normal range for TSH blood test?

– preeclampsia – premature birth – low birth weight – congestive heart failure

What happens if the TSH level is high?

Weight gain or difficulty losing weight (the degree of weight gain and inability to lose weight depends on the severity of thyroid lab studies)

  • Fatigue or decreased energy
  • Insomnia or inability to sleep
  • Changes to menstrual cycle or changes to sex hormones (reduced testosterone in both men and women and changes to progesterone/estradiol in women)
  • What can affect TSH levels?

    What can affect TSH levels? Concomitant diseases, medications, supplements, age, gender, ethnicity, iodine status, time of day, time of year, autoantibodies, heterophilic antibodies, smoking, and other factors influence the level of TSH, or the performance of current TSH assays.