Doctor insights on:
Thyroid Stimulating Hormone Normal Range
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
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. ...Read more
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
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. ...Read more
Triiodothyronine : 0.76 ng/ml; thyroxine : 5.27 ; thyroid stimulating hormone : 1.15. Is this normal?
Probably: In interpreting thyroid hormone levels, you have to consider several things: What is the clinical situation at the time of the lab draw- as stress, medications, even pregnancy can all effect the levels and what they should be. Every lab also has a slightly different 'normal' range depending on how they measure the hormone. Seeing the trend also helps - Are they stable, going up or down? ...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. ...Read more
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. ...Read more
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. ...Read more
Thyroid: Cant tell without total thyroid hormone levels. Tsh being low usually implies hyperthyroid ism which may be sub-clinical or asymptomatic. It can cause fast heart rate, skipped beats, shakiness, tremor, weight loss, anxiety, mood swings, irregular menses, sweating, heat intolerance. ...Read more
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.. ...Read more
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. ...Read more
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. ...Read more
No: Some probiotics, taken at the same time as a thyroid pill might increase TSH by interfering with the pills absorption. ...Read more
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. ...Read more
What doed it mean when my hemoglobin A1c is 5.2 and my thyroid stimulating hormone (T SH) 0.973.thanks?
Both normal: All laboratory results need to be interpreted in the clinical context and the doctor who ordered the tests is usually in the best position to do that. Having said that, the results for both A1c and TSH are normal. ...Read more
My thyroid stimulating hormone is 6- and my doctor says I don't have hypothyroidism. How can this be?
Mild hypothyroidism: Hi. Your doc is probably just referring to the fact that so far, your hypothyroidism is mild ("subclinical", meaning in spite of the slight bump in TSH, your thyroid hormones themselves, T4 and T3, (liothyronine) are still in the normal range). But if your TSH is reproducibly elevated, it IS hypothyroidism. Prove it by checking TPO and thyroglobulin antibodies. There are other VERY RARE conditions; it's hypo ...Read more
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. ...Read more
My thyroid-stimulating hormone 2.6. Anti-thyroglobulin autoantibodies <30.Anti-thyroid <3.0 and I am over whight. Explansion?
Borderline: Normal TSH is 10 then treatGet a more detailed answer ›
Under-active thyroid: All laboratory results need to be interpreted in the clinical context and the doctor who ordered the tests is usually in the best position to do that. Having said that, your TSH is abnormal and indicative of underactive thyroid gland or thyroid deficiency. Please consult your doctor for replacement therapy. ...Read more
It is a standard blood test. Get a prescription from your doctor and a recommendation for a local laboratory.
For good health - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form. Drink enough water daily so that your urine is mostly colorless.
Practice safe sex. ...Read more
What do you suggest if my thyroid stimulating hormone shows TSH 16 should I increase or decrease the thyroxine dose?
I'm 27 year old male with a thyroid stimulating hormone level of 3.92 miu/l and ft4 (free thyroxine) of 1.3 ng/dl. Do I have a thyroid problem?
Thyroid: I would need to know the free t3, (liothyronine) reverse T3 (liothyronine) and the tpo and tg antibodies to see if you are producing antibodies to your thyroid. The new level per the american academy of endocrinology lowered the upper normal for TSH to 3.5. ...Read more
My thyroid test shows thyroxine 13.3 microgram %, tri iodo thyroxine 1.81 ng/ml thyroid stimulating hormone 1.8 uIU/ml. Is there any problem?
These appear to be normal values, but you did not provide the normal values: the normal range varies from one lab to another.
If they're normal, then you are not hyper or hypo thyroid. But why were these tests performed? This needs to be interpreted by whomever ordered these tests. ...Read more
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