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TSH is short for Thyroid Stimulating Hormone. This is produced by the hypothalamus. When T4 levels (which are hormones produced by the thyroid) are low, the hypothalamus produces TSH to tell the thyroid to start producing T4. Thus, the hypothalamus is really a regulator for the thyroid.
An indicator of hypothyroidism or Hashimoto's disease is raised levels of TSH and low levels of T4. In Hyperthyroidism or Graves disease, the T4 levels will be elevated and TSH level will be low.
Common symptoms of hypothyroidism are weight gain, intolerance to cold, hair loss, fatigue, muscle pain, goiter, depression and constipation.
Common symptoms of hyperthyroidism are weight loss, anxiety, intolerance to heat, hair loss, fatigue or hyperactivity, muscle pain, depression, diarrhea, tremor, and palpitations.
Wiki User
∙ 13y ago
Wiki User
∙ 10y agoI have a lowTSH,0.06
and within the normal range readings of T3,T4
I am being treated for Hypothyroidism, have weight gain problems, dry skin
etc.
Should my current dose of 150 be increased to 200?
Wiki User
∙ 14y agoCentral hypothyroidism. However, it is necessary to evaluate other pituitary hormones and to perform neuroradiologic studies to be certain of the diagnosis. Central hypothyroidism refers to thyroid hormone deficiency due to a disorder of the pituitary, hypothalamus, or hypothalamic-pituitary portal circulation. The causes of central hypothyroidism are the same as the causes of hypopituitarism.
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What is low tsh?
low tsh is when you have low tinactimine sorachome hendrocytosis.
What does a tsh test of 2.8 mean?
It means that the level of thyroid stimulating hormone (TSH) in your blood stream is lower than it should be. Ideally it should be between 0.35 and 5 U/L. A TSH of this level can be caused by a number of different things. 1. Taking too much thyroxine or triiodothyronine to treat hypothyroidism 2. Hyperthyroidism 3. Secondary Hypothyroidism: this is where both the levels of TSH and free T4 are low
What does high TSH thyroid stimulating hormone levels indicate?
What does the test result mean?NOTE: A standard reference range is not available for this test. Because reference values are dependent on many factors, including patient age, gender, sample population, and test method, numeric test results have different meanings in different labs. Your lab report should include the specific reference range for your test. Lab Tests Online strongly recommends that you discuss your test results with your doctor. For more information on reference ranges, please read Reference Ranges and What They Mean.A high TSH result often means an underactive thyroid gland that is not responding adequately to the stimulation of TSH due to some type of acute or chronic thyroid dysfunction. Rarely, a high TSH result can indicate a problem with the pituitary gland, such as a tumor producing unregulated levels of TSH. A high TSH value can also occur when patients with a known thyroid disorder (or those who have had their thyroid gland removed) are receiving too little thyroid hormone medication. A low TSH result can indicate an overactive thyroid gland (hyperthyroidism) or excessive amounts of thyroid hormone medication in those who are being treated for an underactive (or removed) thyroid gland. Rarely, a low TSH result may indicate damage to the pituitary gland that prevents it from producing adequate amounts of TSH. Whether high or low, an abnormal TSH indicates an excess or deficiency in the amount of thyroid hormone available to the body, but it does not indicate the reason why. An abnormal TSH test result is usually followed by additional testing to investigate the cause of the increase or decrease. The following table summarizes test results and their potential meaning. TSH T4 T3 Interpretation High Normal Normal Mild (subclinical) hypothyroidism High Low Low or normal Hypothyroidism Low Normal Normal Mild (subclinical) hyperthyroidism Low High or normal High or normal Hyperthyroidism Low Low or normal Low or normal Nonthyroidal illness; Rare pituitary (secondary) hypothyroidismIs there anything else you should know?Many medications - including aspirin and thyroid-hormone replacement therapy - may affect thyroid gland function test results, so tell your doctor about any drugs you are taking. When your doctor adjusts your dose of thyroid hormone, it is important to wait at least one to two months before checking your TSH again so that your new dose can have its full effect. Extreme stress and acute illness may also affect TSH test results, and results may be low during the first trimester of pregnancy. What does the test result mean?NOTE: A standard reference range is not available for this test. Because reference values are dependent on many factors, including patient age, gender, sample population, and test method, numeric test results have different meanings in different labs. Your lab report should include the specific reference range for your test. Lab Tests Online strongly recommends that you discuss your test results with your doctor. For more information on reference ranges, please read Reference Ranges and What They Mean.A high TSH result often means an underactive thyroid gland that is not responding adequately to the stimulation of TSH due to some type of acute or chronic thyroid dysfunction. Rarely, a high TSH result can indicate a problem with the pituitary gland, such as a tumor producing unregulated levels of TSH. A high TSH value can also occur when patients with a known thyroid disorder (or those who have had their thyroid gland removed) are receiving too little thyroid hormone medication. A low TSH result can indicate an overactive thyroid gland (hyperthyroidism) or excessive amounts of thyroid hormone medication in those who are being treated for an underactive (or removed) thyroid gland. Rarely, a low TSH result may indicate damage to the pituitary gland that prevents it from producing adequate amounts of TSH. Whether high or low, an abnormal TSH indicates an excess or deficiency in the amount of thyroid hormone available to the body, but it does not indicate the reason why. An abnormal TSH test result is usually followed by additional testing to investigate the cause of the increase or decrease. The following table summarizes test results and their potential meaning. TSH T4 T3 Interpretation High Normal Normal Mild (subclinical) hypothyroidism High Low Low or normal Hypothyroidism Low Normal Normal Mild (subclinical) hyperthyroidism Low High or normal High or normal Hyperthyroidism Low Low or normal Low or normal Nonthyroidal illness; Rare pituitary (secondary) hypothyroidismIs there anything else you should know?Many medications - including aspirin and thyroid-hormone replacement therapy - may affect thyroid gland function test results, so tell your doctor about any drugs you are taking. When your doctor adjusts your dose of thyroid hormone, it is important to wait at least one to two months before checking your TSH again so that your new dose can have its full effect. Extreme stress and acute illness may also affect TSH test results, and results may be low during the first trimester of pregnancy.
Is 1.08 a low tsh level?
Yes, absolutely! Even when using the older measurements TSH 0.3 - 5.0, that is exceptionally high
What does low tsh and normal t3 and t4 mean?
I have a lowTSH,0.06 and within the normal range readings of T3,T4 I am being treated for Hypothyroidism, have weight gain problems, dry skin etc. Should my current dose of 150 be increased to 200?
Would a patient with a TSH level of 3.68 be considered to have hypothyroidism or hyperthyroidism?
A TSH of 3.68 is within the normal range. However, doctors like to see a TSH between .3 and 3 in those patients receiving thyroid replacement medications. Additionally, normal for one person may not be normal for another. Just as I wear a different shoe size than my husband, everyone's systems require different levels for them to feel well. My husband's shoe size is normal, so is mine. I will not be comfortable wearing his shoes all day however. A TSH test only shows an average value of your thyroid status over the last several weeks. You may still be experiencing periods of high and/or low thyroid and your TSH will appear normal. Knowing the level of your Free T3 and Free T4 as well as antibody levels will help determine what is going on and if you need treatment. When a TSH appears high, a patient is considered hypOthyroid. When a TSH is low, a patient is considered hypERthyroid.
What does a 0.07 TSH reading mean?
At most labs in the U.S., the normal range is from around 0.5 to 5.5. However some experts are recommending that labs revise the range from .3 to 3.0. From this yours is low. If the TSH level is below normal, your doctor may determine that you are hyperthyroid (overactive thyroid.). There are more tests and this might not answer your question without know which test was done. Ask your doctor for further information.
Is 0.84 tsh level in normal range?
As far as the ranges are concerned a 0.8 TSH is considered normal, however, your Dr. is the best person to advise. If you are exhibiting thyroid malfunction symptoms, it is best to do an antibody test, those are the best indicators in cases where patients FT3, FT4 and TSH fall within the normal range, but nonetheless thyroid malfunction is suspected.
Is 47 TSH low?
Yes, for some people....
What is the meaning of laboratory test?
A thyroid stimulating hormone (TSH) test is an initial test used to determine how your thyroid is functioning. A high TSH level indicates that the thyroid gland isn't making enough hormones, causing hypothyroidism. Conversely, if the TSH level is low it indicates an overactive thyroid, known as hyperthyroidism. The TSH normal level range that most physicians refer to is .3 to 4.5.
Does low levels of digoxin cause high tsh?
yes
What to do when TSH is high and T3 and T4 are normal?
Endocrinologists who specialize in thryoid patients know not to treat patients based only on lab values. A high TSH and normal TT3 and TT4 may indicate that there are not enough free hormones available. A FreeT3 and FreeT4 will better tell the story because inactive hormone will not be included in the results. High TSH and normal FT3 and FT4 may indicate either that your 'normal' falls outside the normal range, or that your pituitary is trying to turn your thyroid on and it is not consistently or reliably responding. It may be rollercoastering. TSH is a test that gives the average of thyroid production over several weeks. FT3 and FT4 or TT3 and TT4 tells you how much hormone is there today. If FT3 and FT4 are low one week, and high the next, the TSH results will reflect the middle/average of the two. These patients usually (tho not always) have autoimmune Hashimoto's Thyroiditis or are not eating properly. Treatment: Some doctors choose Block and Replace therapy for these conditions. Others try to raise FT3 and FT4 levels until the patient is comfortable and TSH values seem more normal.
