Doctor insights on:
Thyroid Stimulating Hormone Is High
A hormone (from greek ὁρμή, "impetus") is a chemical released by a cell or a gland in one part of the body that sends out messages that affect cells in other parts of the organism. Only a little amount of hormone is required to alter cell metabolism. In essence, it is a chemical messenger that transports a signal from ...Read more
My dad is worried because his Thyroid Stimulating Hormone (Serum) is High (5.370) but Free T4 (Serum) is within range (14.80). Please explain and help?
Ranges?: The TSH is slightly high but and free T4 of 14.80 (if that is not an error) is high. You say his free T4 is normal, however if this the case, he may have what we call subclinical hypothyroidism. Further testing may be needed (thyroglobulin antibody, thyroid peroxidase antibody) before any decision to treat can be made.
Pituitary Gland: Tsh (thyroid stimulating hormone) is made in the pituitary gland, which lies just below the brain. The brain and pituitary monitor circulating levels of thyroid hormone. If thyroid levels are low, the pituitary releases higher levels of TSH to get the thyroid gland to make more thyroid hormone. If thyroid levels are high, lower levels of TSH provide less stimulation to the thyroid.See 1 more doctor answer
TSH increase: Thyroid stimulation hormone (TSH) is released by the pituitary gland in response to the amount of thyroid hormone sensed in the blood. If the blood level of thyroid hormone is low then the pituitary increases the amount of TSH into the blood in order to get the thyroid to release more thyroid hormone. Therefore a rising or increasing TSH may indicated a failing or under functioning thyroid.See 1 more doctor answer
Thyroid function: It's a hormone from the pituitary (brain) and it tells you whether or not the current thyroid hormone level is normal/acceptable.
Abnormal: Not dangerous, but definitely abnormal and needs to be treated with brand name T4 replacement until you levels have been returned to normal. You doctor can help you out with this, but it will take months until you are better, and will need treatment life long. Don't delay any further..
A TSH: Above the normal limits suggests primary thyroid failure. There can be a few reasons for that and would require evaluation of supporting lab tests. It is potentially dangerous only if ignored and not treated. Talk to your doctor.
Yes: The 'normal' TSH level is determined statistically, not clinically. Some people in the upper part of the 'normal' range will have symptoms and will benefit from treatment. This is similar to people on thyroid hormone treatment who have an increase in tsh, due to further failure of the thyroid, report recurence of symptoms and improvement with adjustment of their treatment.See 1 more doctor answer
My thyroid stimulating hormone shows TSH 16.264. Do I need to increase or decrease the medicine dose?
Thyroid meds: If you are on levothyroxine, then you should increase your dose. Talk to your doc about how much to increase.
Tsh thyroid stimulating hormone is 2.380 is that normal? I know it is suppost to be between 0.30 4.70 acceptable range but don't understand it still
Thyroid test: Tsh is a hormone released by the pitutary gland and is negatively cycled in response to thyroid hormone levels, high levels of thyroid cause a drop in TSH and vica versa. The range of TSH is affected by physiological factors such as sleep, circadian variation, food intake and sleep but within the narrow range you quote there is also variations due to measurement called interassay variation.
No: Some probiotics, taken at the same time as a thyroid pill might increase TSH by interfering with the pills absorption.See 1 more doctor answer
Many Ways: Thyroid hormone can have many effects on reproduction. When the thyroid is too high or too low you may not ovulate. Even if you do ovulate the quality of ovulation may be impaired. Thyroid hormone can affect your milk hormone (prolactin) and cause that to be too high which can have similar effects.See 1 more doctor answer
Not good: The exact answer depends on your general health, what other medical problems you current have, your age and the levels of the thyroid hormone ft4 and ft3. The cause of the low TSH is also important. In general, low TSH signifies hyperthyroidism. Hyperthyroidism is more dangerous than hypothyroidism. Death can occur with hyperthyroidism.
Clarification needed: I'm not quite sure what you're asking- are you asking how long before eating do you need to take your thyroid medicine? 30 minutes before breakfast. If you're talking about before getting your TSH measured, you can take it normally the morning of the test.
What is the normal level of thyroid-stimulating hormone (tsh) in the blood of a 40 year old male?
Some controversy: Most labs use the reference range of 0.5 - 4.70 or 5.0 miu/l for "normal". However, the american association of clinical endocrinologists (hormone specialists) recommend a narrower range: 0.3 - 3.0 your doc can advise you which reference range s/he follows.See 1 more doctor answer
Borderline: Normal TSH is 10 then treatGet a more detailed answer ›
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