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Doctor insights on: Tsh Borderline

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Was diagnosed - mild hashimotos & reverse T3 (liothyronine) is elevated (TSH, T3 (liothyronine), T4 normal-tsh borderline sometimes). What is & what does elevated reverse T3 (liothyronine) mean?

Was diagnosed - mild hashimotos & reverse T3 (liothyronine) is elevated (TSH, T3 (liothyronine), T4 normal-tsh borderline sometimes). What is & what does elevated reverse T3 (liothyronine) mean?

Not much: The best test for hypothyroidism is the TSH. TSH is a much larger hormone that T3 (liothyronine) or T4 so it is easier to measure accurately. It is so sensitive that it is reported by the lab on a logarithmic scale. That means it is 10 times more sensitive than the T4 or T3 (liothyronine). Because it is so sensitive, many people will have symptoms even when the TSH if in the 'normal' range. Reverse T3 (liothyronine) can go up with illness. ...Read more

Dr. Quang Nguyen
943 Doctors shared insights

Thyroid Stimulating Hormone (Definition)

A TSH test measures the amount of thyroid stimulating hormone (TSH) in your blood. TSH is produced by the pituitary gland and tells the thyroid gland to make and release the hormones thyroxine ...Read more


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Low TSH Borderline low T4 normal t3 (liothyronine). Thyroid uptake scan. Low uptake noted w\o nodules. Radiologist said HYPOTHYROIDISM?! All other possible test norm

Low TSH Borderline low T4 normal t3 (liothyronine). Thyroid uptake scan. Low uptake noted w\o nodules. Radiologist said HYPOTHYROIDISM?! All other possible test norm

Need follow-up: 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, there is inconsistency in your results. Both TSH and T4 being low does not add up. You may need to repeat the lab tests, not necessarily the scan, in about 6 months to see what direction these results are going in. ...Read more

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Doctor recommended Armour Thyroid for borderline TSH saying it's better than synthroid, (thyroxine) why?

Doctor recommended Armour Thyroid for borderline TSH saying it's better than synthroid, (thyroxine) why?

Armour has bothT4+T3: Synthroid (thyroxine) contains t4; however, Armour Thyroid contains T3 and t4. Thus, when a person switches to armour, the fact that T3 is approximately four times as potent as T4 must be taken into account. ...Read more

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If you have borderline high TSH (4.54, 5.02 respectively) are you likely to develop problems with thyroid later on?

If you have borderline high TSH (4.54, 5.02 respectively) are you likely to develop problems with thyroid later on?

Likely: Elevated TSH levels are an indication of thyroid under-function and you should consult your doctor about thyroid medication, even before your thyroid hormone levels go down.
For good health - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk prodFor 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. Drink enough water daily, so that your urine is mostly colorless. 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.
Practice safe sex, if you have sex.
HPV vaccine ...Read more

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What does borderline low TSH and T3 (liothyronine) mean?

What does borderline low TSH and T3 (liothyronine) mean?

Nothing usually: Borderline is still within the normal range. Ask the physician who ordered the test why he got both and what his/her interpretation is. ...Read more

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Can you stop taking Synthroid (thyroxine) after (5-6)years of taking it? Borderline -low TSH is why it was prescribed. Dose. 050mcg.

Can you stop taking Synthroid (thyroxine) after (5-6)years of taking it? Borderline -low TSH is why it was prescribed. Dose. 050mcg.

Synthroid (thyroxine): You must mean a borderline high TSH for an underactive thyroid. Anyhow, the thyroid does not revert back to its normal level on its own, it ages with us and needs frequent monitoring, I would suggest not to stop it, but this is something you need to discuss with your doctor who knows you best. ...Read more

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Hi doc, my blood test report is normal only level of TSH and prolactin are borderline high and my husband has azoospermia will IUI work in this case.

Hi doc, my blood test report is normal only level of TSH and prolactin are borderline high and my husband has azoospermia will IUI work in this case.

Consult Urologist: Your husband has azoospermia which means he does not have any measurable level of sperms in his semen.It is associated with very low level of fertility and even sterility
it depends on the the cause and type of azospermia as some are amenable to treatment.
It may be testicular, pre testicular or post testicular;idiopathic.
Pre and post azospermia are correctable
consult a male infertility expert. ...Read more

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A fertility specialist wrote my wife a prescription for Synthroid (thyroxine) for a TSH of 2.9, borderline. Previous test was 2.1. What about retesting first?

A fertility specialist wrote my wife a prescription for Synthroid (thyroxine) for a TSH of 2.9, borderline. Previous test was 2.1. What about retesting first?

More than 1 approach: As she is trying to conceive, and a "normal" TSH in early pregnancy is under 2.5, it's reasonable to treat with synthroid (thyroxine). If retesting instead I would check thyroid hormones and thyroid antibodies to decide if treatment is needed. If you undergo ivf I would treat as elevated estrogen levels increase thyroid hormone binding protein and raises tsh. Untreated women may get more miscarriages with ivf. ...Read more

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Hi doc, my blood test report is normal only level of tsh (5.48) are borderline high and my husband has azoospermia wil IUI work wid donor sperm work?

Hi doc, my blood test report is normal only level of tsh (5.48) are borderline high and my husband has azoospermia wil IUI work wid donor sperm work?

IUI should work: I will definitely start some thyroid hormone 25 or 50 mcg and recheck the level in 4-6 weeks
donor IUI should work.
Was your husband tested to see if he has any sperm in his testicles atht could be used for ivf? ...Read more

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Borderline hypothyroid (TSH varies btw 2.7 to 4) n PCOS. Don't want to take Synthroid (thyroxine) coz of side effects, what else can I do to keep energy & mood up?

TSH: Not enough info given
You need to have measurement of T4 and T3 (liothyronine) before proceeding.
If you are thyroid hormone deficient your doctor will start with a low dose and follow you over time. When treated well possibility of side effects is very low. ...Read more

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My dr. Said my TSH levels for hypothriodism is borderline and she said some number what should I do to confirm this?

My dr. Said my TSH levels for hypothriodism is borderline and she said some number what should I do to confirm this?

Lab work: You can repeat the labs with addition of thyroid antibodies (thyroid peroxidase), and the free hormones to confirm. ...Read more

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Since my TSH came back 9.1 and has been basically borderline for 2 years now along with all the symptoms. Does this most likly indicate hypo?

Since my TSH came back 9.1 and has been basically borderline for 2 years now along with all the symptoms. Does this most likly indicate hypo?

Yes, hypothyroid: Hi. Yes, I'm sure your doc will give you a prescription for thyroid hormone. However, I would caution that not all symptoms you attribute to the thyroid necessarily are a result of that mild degree of hypothyroidism, so they may not all resolve with correction of your thyroid function tests. It will be easy to treat, and treatment works perfectly. I hope you feel better soon! ...Read more

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What does borderline T3 (liothyronine) and TSH mean?

What does borderline T3 (liothyronine) and TSH mean?

Low or high?: Tsh is usually the best indicator of thyroid status, so that an abnormal tsh, even with normal T3 (liothyronine) and t4, usually indicates some degree of thyroid dysfunction (low TSH seen w/ overactive thyroid; high TSH w/ underactive thyroid). T3 (liothyronine) really has to interpreted with knowledge of other tests and any thyroid meds being taken. ...Read more

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My dr. Said my TSH levels for my thyroid was at 23 or 5.5? And she said I was borderline for having it what does this mean I got confused?

My dr. Said my TSH levels for my thyroid was at 23 or 5.5? And she said I was borderline for having it what does this mean I got confused?

TSH: Stands for "thyroid stimulating hormone". If the thyroid gland is not doing its job well, the brain notices it. It then manufactures tsh. The hormone then tries to stimulate the thyroid. The only reason for increase in TSH is because it has failed to awaken the thyroid and becomes a lab test for thyroid inadequacy. ...Read more

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What can be the reason for a borderline enlarged thyroid? My TSH is normal

What can be the reason for a borderline enlarged thyroid? My TSH is normal

It depends: If your TSH is normal then you might want to see endocrinologist. Ultrasound and thyroid scan are next step to go. ...Read more

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My TSH level is 2.9 and my doctor says that is normal, but I have read online normal is. 3-3.0 So do I have borderline hypothryroid?

No: Your TSH falls in the normal range so you do not have a thyroid problem at this time. If you start showing signs of hypo or hyperthyroid it would be prudent to recheck. ...Read more

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What do you suggest if my TSH level is 2.9 and my doctor says that is normal, but I have read online normal is. 3-3.0 so I am curious if I have borderline hypothryroid?

What do you suggest if my TSH level is 2.9 and my doctor says that is normal, but I have read online normal is. 3-3.0 so I am curious if I have borderline hypothryroid?

Online lab: Normal range may be different than normal range in lab that did your studies

my lab mml is 0.4-4.5

and any test interpretation must be done after listening to patients complaints/ symptoms and doctor asking other questions re: possible other symptoms

so can't answer question with daw supplied :) ...Read more

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Can someone help please? My TSH level is 2.9 and my doctor says that is normal, but I have read online normal is. 3-3.0 so I am curious if I have borderline hypothryroid?

Can someone help please? My TSH level is 2.9 and my doctor says that is normal, but I have read online normal is. 3-3.0 so I am curious if I have borderline hypothryroid?

Not yet.: Most doctors don't usually consider treating until the number is more above 4.5. We do not always follow lab normal ranges and base treatment on symptoms since not everyone is a textbook number. Consider discussing any symptoms you have however with your doctor and possibly an endocrine specialist. ...Read more

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My TSH blood level is. 9 which is borderline too low according to the range and am suffering from hyperthyroid symptoms could I still be hyperthyroid?

My TSH blood level is. 9 which is borderline too low according to the range and am suffering from hyperthyroid symptoms could I still be hyperthyroid?

Hyperthyroid: A low TSH is indicative of an excess of thyroid hormone in your blood. If you're having symptoms of hyperthyroidism, it certainly can indicate that your level is not yet to the level that is ideal for your body and may need further treatment. Repeating the test after a period of time can also help, looking for a trend. ...Read more

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TSH is constantly suppressed. FT3 borderline high. FT4 borderline low. Tested 5 times. Thyroid uptake scan = *low 5.3% wo nodules. Please help explain.

TSH is constantly suppressed. FT3 borderline high. FT4 borderline low. Tested 5 times. Thyroid uptake scan = *low 5.3% wo nodules. Please help explain.

Thyroiditis: Why are you having your thyroid tested? What are your symptoms? Start from the begining. Medicine is not about scans and numbers. TSH is suppressed by the elevated T3 (liothyronine) as feedback inhibition. I would expect normal to high uptake but it can be low in some cases of Hashimoto's thyroiditis. Thyroid scan in Hashimoto's thyroiditis can mimic a wide range of thyroid disorders. Thyroid may be burning out. ...Read more

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Male/34yr/170lb borderline diabetic (fast-105) with hypothyroid (tsh: 6.1) and total cholesterol 255 (ldl-173, hdl-36, tgly-227). Can I avoid medicine?

Male/34yr/170lb borderline diabetic (fast-105) with hypothyroid (tsh: 6.1) and total cholesterol 255 (ldl-173, hdl-36, tgly-227). Can I avoid medicine?

Doubtful: Considering the prediabetic state, I would be a bit more aggressive with your cholesterol management - I might target 100 for your LDL which will be difficult to achieve with diet and exercise alone. ...Read more

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My TSH was 4.1 & my T4 was 13. Do you think I have a borderline underactive thyroid?

My TSH was 4.1 & my T4 was 13. Do you think I have a borderline underactive thyroid?

Pretty normal: Aware that TSH is high normal at 4.1 but T4 normal. If concerned about hypothyroid, check TPO antibodies and check levels of TSH, T4 and T3 (liothyronine) every 6 months. Keep in mind the symptoms of hypothyroid very common. ...Read more

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Does a very low level TSH hormone mean hypo - or hyperthyroidism? T3 (liothyronine) is normal range, T4 is at the low level borderline.

Does a very low level TSH hormone mean hypo - or hyperthyroidism? T3 (liothyronine) is normal range, T4 is at the low level borderline.

Low TSH: Generally indicates an excess in thyroid hormone. That may be chronic w/hyperthyroidism -- or temporary w/thyroid inflammation. See you doctor. If you're already on thyroid replacement, the dose is too high. If you're on t3, (liothyronine) get off of it as it can be dangerous and doesn't work well as chronic replacement. Use brand name T4 only. ...Read more