what does low tsh indicate
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What Your Low TSH Means While taking Thyroid Medication & Why it isnât Helpful Most providers would have you believe that a low TSH in the presence of taking thyroid medication is ​a sign of hyperthyroidism. This would indicate that you need to LOWER your dose of thyroid medication to achieve a euthyroid status in the body.
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Hypothyroidism: What Experts Suggest for Treating Low Thyroid Hormone Levels TSH levels in your bloodstream rise or fall depending on whether there is enough thyroid hormone in your system to meet your body’s needs. Higher levels of TSH push the thyroid to produce more hormone. Low TSH levels mean the thyroid is producing more than enough hormone. TSH levels can change a great deal with minor increases and decreases in T4. This is a very tightly regulated feedback process between the pituitary and the thyroid gland.
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What Causes TSH Level High? What does a high TSH mean? TSH or thyroid stimulating hormone is a hormone produced in the anterior pituitary gland. This is used to help stimulate the thyroid to produce triiodothyronine (T3) or thyroxine (T4), hormones that help stimulate the metabolism. If your pituitary gland is producing TSH trying to stimulate the thyroid but the thyroid does not respond, it can result in an excessive amount of TSH in the bloodstream. This can be caused by stress, illness, an obstruction or surgery causing the thyroid to malfunction or be sluggish.
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TSH Numbers: Are you Hypothyroid? * Problems with Cholesterol levels. * Osteoporosis. The list goes on but these are probably the most important and serious symptoms associated with low TSH numbers/ hypothyroidism. The best way to find out if you have a low functioning thyroid is by doing laboratory testing.Normally your TSH levels will fluctuate between 0.35 and 5.5. Problems with Cholesterol levels. * Osteoporosis. The list goes on but these are probably the most important and serious symptoms associated with low TSH numbers/ hypothyroidism. The best way to find out if you have a low functioning thyroid is by doing laboratory testing.
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- LOW TSH suggests you are closer to HYPERthyroidism (overactive), and have too much thyroid hormone circulating. HIGH TSH suggests you are closer to HYPOthyroidism (underactive), and you don't have enough thyroid hormone circulating.
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- Responses (3) Confusing I know but in general a low TSH is indicative of an overactive thyroid or hyperthyroidism and your thyroid hormone dose needs to be reduced. A high TSH is indicative of an underactive thyroid or hypothyroidism and your medicine needs increasing.
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Approach to a low TSH level: Patience is a virtue Confronted with a low serum level of thyrotropin (thyroid-stimulating hormone, TSH), physicians should not jump to the conclusion that it is due to a hyperthyroid state, as other conditions and some drugs can be associated with a TSH level that is slightly low (0.1–0.4 μIU/mL) or frankly suppressed (< 0.1 μIU/mL).
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- What do low TSH levels mean? According to About.com, low levels of TSH, or thyroid-stimulating hormone, occur when the pituitary gland shuts down TSH production due to high levels of thyroid hormone in the blood. The low levels of TSH are the pituitary gland's attempt to keep thyroid hormone levels normal within the body. What are some symptoms associated with high TSH levels? According to WebMD, high TSH (thyroid-stimulating hormone) levels indicate an underactive thyroid gland (hypothyroidism). Common symptoms include feeling weak, tired or depressed, sensitivity to cold, constipation, brittle nails, memory problems, and heavy or irregular periods.
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Thyroid Function Tests 1 Abnormal TSH levels together with normal FT4 levels indicate you may be at risk of developing a thyroid disorder. 2  A low TSH level together with a low FT4 level can indicate a disorder of the pituitary gland.  Thyroid function tests can be influenced by medications and illnesses.
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What Your Low TSH Means While taking Thyroid Medication & Why it isnât Helpful If you are NOT taking thyroid medication and you have a low TSH then that truly might be a sign that you are hyperthyroid or have a condition known as subclinical hyperthyroidism. But this same concept doesn't necessarily hold true if you are taking thyroid hormone (although it may). ​.
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- The official normal range of TSH followed by many doctors and laboratories until 2002 was from between 0.5 to 5. According to this TSH range, a TSH over 5 indicated an under active thyroid (or hypothyroidism); while a low TSH value below0.5 indicated an overactive thyroid or (hyperthyroidism).
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High and Low TSH Levels: What They Mean And if your TSH test comes in above normal, some doctors will want to INCREASE your dosage of thyroid hormone, because levels above normal are considered potentially hypothyroid (underactive.) To recap: LOW TSH suggests you are closer to HYPERthyroidism (overactive), and have too much thyroid hormone circulating.
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- The most obvious cause of a TSH change is a change in dosage. But sometimes, the interaction between TSH and dosage changes can be confusing. For example, you may remember your doctor saying your thyroid is low -- and interpret that as meaning that you are hypothyroid. But the doctor may have said -- or may have meant -- your TSH is low -- which is indicative of hyperthyroidism.
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Hypothyroidism: Overview, Causes, and Symptoms Thus, hypo-thyroidism = a disease of too little thyroid activity. Hypothyroidism The idea is to measure blood levels of T4 and TSH. In the typical person with an under-active thyroid gland, the blood level of T4 (the main thyroid hormone) will be low, while the TSH level will be high.
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what are the normal thyroid levels for a woman age 54. My Dr keeps telling me I'm low-normal. So if the TSH value is below normal, that means the thyroid is producing too much thyroid hormone and if the TSH level is above normal, there is not enough T4, T3, and free T4. Of course if there is disease in the pituitary, which is rare, then the T4, T3, and free T4 are the informative tests.
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High and Low TSH Levels: What They Mean This drop in TSH is an attempt to return circulating thyroid hormone levels to normal. So, a test to measure the amount of TSH in your system will usually show lower than normal TSH when the thyroid is overactive. So, in general, LOWER TSH = OVERACTIVE THYROID / HYPERTHYROIDISM.
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- Low TSH, raised free T3 or T4 There are six patterns of thyroid function tests. Low TSH,accompanied by raised free T4 and T3 concentrations(panel 2), indicates primary hyperthyroidism, mostcommonly caused by Graves’ disease, multinodulargoitre, or toxic nodule.ge of onset varies from the neonatalperiod to adulthood, and a smooth or multinodular goitrecan develop. 20,21 Closely similar somatic mutations areresponsible for 80% of toxic nodules. Low TSH, normal free T3 or T4 Low TSH and normal free T3 and T4 test results areusually seen with thyroxine ingestion (panel 3).
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Low Thyroid Stimulating Hormone (TSH) There are 2 reasons that could be the cause behind your low TSH: 1  Your glands simply aren't producing enough; 2  Your thyroid gland is producing too much of the thyroid hormone which signals to your brain to stop producing anymore.
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- No: There are no such foods such as that. If your TSH level is low, that means your thyroid is overproducing thyroid hormone and that could be a goiter or other thyroid disease-you definitely need that checked and treated. If your thyroid hormone is low, then your TSH would be high.
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Diagnosing Thyroid Disease With Blood Tests TSH that is “suppressed” or below normal, is considered evidence of hyperthyroidism. Currently, the reference range runs from around 0.5 to 5.0. Levels above 3.0 are evidence of possible hypothyroidism, and levels below 0.5 are evidence of possible hyperthyroidism.
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Signs and Symptoms of Low TSH Levels Fatigue, nervousness, restlessness and weakness are common symptoms of low TSH. Because these symptoms can be felt with a variety of other conditions, they may not be attributed to low TSH initially. Muscle cramps and tremors may also occur.
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What Are Normal TSH (Thyroid) Levels? Thyroid stimulating hormone (TSH) levels evaluate the functioning of the thyroid gland. TSH instructs the thyroid to produce thyroid hormone. High TSH levels indicate that the thyroid is underactive, and a low TSH means the thyroid is overactive. Abnormal TSH levels alert medical professionals to diseases of the thyroid gland.
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Hypothyroidism: What Experts Suggest for Treating Low Thyroid Hormone Levels Higher levels of TSH push the thyroid to produce more hormone. Low TSH levels mean the thyroid is producing more than enough hormone. TSH levels can change a great deal with minor increases and decreases in T4. This is a very tightly regulated feedback process between the pituitary and the thyroid gland.
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For Synthroid Users, Pinpointing the Correct Dosage is Key High TSH levels means your pituitary is signaling your thyroid to secrete more thyroid hormone. Pinpointing the correct dosage of thyroid hormone isn’t always easy. Take too little, and your symptoms don’t go away. Take too much, and you’re at risk for weak bones, insomnia and breathlessness.
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Hypothyroidism Diagnosis If your free T4 levels are too low—the normal range for T4 is 5 to 13.5 micrograms per deciliter—it's a possible indicator that you have hypothyroidism, even if your previous TSH tests came back normal. Again, the normal ranges vary from lab to lab. Anti-thyroid Microsomal Antibodies Testing.
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Hypothyroid Testing: What You Need To Know and Ask For When stress is suppressing the pituitary gland enough to interfere with producing TSH, you might see low or normal TSH levels in the presence of low thyroid hormone production (T3 or T4), and hypothyroid symptoms. Triiodothyronine (T3) and thyroxine (T4) are the hormones produced by your thyroid gland.
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