Question 1

what are normal tsh and t4 levels in blood?

Accepted Answer

See below: Normal ranges vary from lab to lab and you should check the reference range for your lab. General ranges are given below:
tsh:  0.4 - 4.0 miu/l 
t4:  4.5 – 12.5 for more info see the site below
http://thyroid.About.Com/cs/newsinfo/l/bltest_values.Htm.

Question 2

what is the meaning of high level of anti-tpo antibodies but normal tsh and t4?

Accepted Answer

Hashimoto's thyroid : It means you have hashimoto's thyroid disease but your thyroid function is currently normal. This might be because you are taking the correct dose of thyroid hormone replacement or because your thyroid is still able to make normal amount of hormone despite the insults from the antibodies. If this is the case, monitor your thyroid function closely because you will become hypothyroid in the future.

Question 3

if you have a normal tsh and t4 levels but your t3 (liothyronine) is low do you need to increase levothyroxine?

Accepted Answer

Depends: The T3 (liothyronine) may be low before you take your medication and isn't necessarily abnormal. If you still have symptoms and the TSH is not in the low part of the normal range then adding more levothyroxine is probably the right thing to do. Some people do not convert enough of  the T4 to T3 (liothyronine) and they need to take some T3 (liothyronine) in addition to T4 or take a natural thyroid med like Armour Thyroid or nature-throid.

Question 4

what would cause a low t3 (liothyronine) level but normal tsh and t4 levels? would that be considered hypothyroidism?

Accepted Answer

No: Low t3 (liothyronine) with nl TSH and T4 is not hypothyroidism.  Many things can make t3 (liothyronine) levels decrease such as illness, stress, colds etc.  It is nonspecific and could also be lab error so low t3 (liothyronine) in the face of nl TSH and free T4 levels does not mean very much.

Question 5

i had normal levels of tsh,t4&tpo but my doctor recommended me to take medication for a month two years ago. i went for checkups and had high tpo with normal tsh and t4&he refuses to give me meds so it won't mess up my period. i often feel tired?

Accepted Answer

: I assume you wish to take thyroid supplement treatment. Some people with TPO antibodies do not have a thyroid disorder but can develop an autoimmune thyroid disorder in the future..With a normal TSH&amp;T4 I wouldn't recommend thyroid supplement at this time. Continued follow-up testing is important though. An endocrinologist or thyroidologist can advise you if you still have concerns.

Question 6

what does a normal tsh level with an elevated t4 level mean?

Accepted Answer

Nothing: The TSH is more accurate. A free T4 is more accurate than a t4, which can be affected by  many factors such as estrogen. Are you on any form of estrogen, bcp's etc?

Question 7

tsh levels are these normal? tsh- 3rd generation- 1.04 miu/l , then another one was 0.63 miu/l. tsh w/free t4 rfx 1.50 miu/l. are these normal levels?

Accepted Answer

Probably: Most labs include a reference range (or normal range) in their reports.  While there can be some variation from one lab to another, almost all labs would consider TSH values between 0.5 to 3.0 to be normal.  All three of your levels fall in this range, and so would be considered normal.

Question 8

my t3 (liothyronine) and t4 levels are normal, tsh is 7.76 inspire of taking thyronorm 50mg everyday, please advise?

Accepted Answer

Higher dose: Tsh is more sensitive than T3 (liothyronine) or T4 levels for identifying patients whose thyroid levels are abnormal for them.  A high TSH means that your pituitary gland is trying to get your thyroid to make more thyroid hormone.  Since your thyroid can't (or you wouldn't be on thyroid hormone), you probably need a stronger thyroid tablet.  Talk to your doc to make sure you're getting the most from your pills.

Question 9

my recent tsh & free t4&t3 levels were all in the normal range. i am still waiting for my thyroglobulin results. is there a chance of abnormal thyroglobulin with normal tsh, t3 & t4?

Accepted Answer

: A normal TSH and free T4 suggest that your thyroid function is well balanced, not too high and not too low.   This may be called "euthyroid."  These are independent of the thyroglobulin protein.  More commonly, the antibodies against the thyroglobulin or the thyroid peroxidase protein are found.  These can be seen with abnormal thyroid function or may accompany normal thyroid function for years.

Question 10

what does a normal tsh but low free t4 level mean? can you have an underactive thyroid with a low t4 alone? tsh 2.45 t4 7

Accepted Answer

Thyroid function: When TSH is normal and T4 is low this is called subclinical hypothyroidism. It is not treated unless if you have symptoms.
Also if TSH &gt; 10 some would start treatment. Hope that helps answer your question.

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Doctor answers about:

What is the normal tsh and t4 level in a new born baby

A member asked:

What are normal tsh and t4 levels in blood?

A member asked:

What is the meaning of high level of anti-tpo antibodies but normal tsh and t4?

A member asked:

If you have a normal tsh and t4 levels but your t3 (liothyronine) is low do you need to increase levothyroxine?

A member asked:

What would cause a low t3 (liothyronine) level but normal tsh and t4 levels? would that be considered hypothyroidism?

A member asked:

I had normal levels of tsh,t4&tpo but my doctor recommended me to take medication for a month two years ago. i went for checkups and had high tpo with normal tsh and t4&he refuses to give me meds so it won't mess up my period. i often feel tired?

A member asked:

What does a normal tsh level with an elevated t4 level mean?

A member asked:

Tsh levels are these normal? tsh- 3rd generation- 1.04 miu/l , then another one was 0.63 miu/l. tsh w/free t4 rfx 1.50 miu/l. are these normal levels?

A member asked:

My t3 (liothyronine) and t4 levels are normal, tsh is 7.76 inspire of taking thyronorm 50mg everyday, please advise?

A member asked:

My recent tsh & free t4&t3 levels were all in the normal range. i am still waiting for my thyroglobulin results. is there a chance of abnormal thyroglobulin with normal tsh, t3 & t4?

A member asked:

What does a normal tsh but low free t4 level mean? can you have an underactive thyroid with a low t4 alone? tsh 2.45 t4 7

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