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Doctor insights on: Dramatic Tsh Drop With Small Change In Dose

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How long after getting proper dose of synthroid (thyroxine) should I begin to feel less symptomatic? last tsh was 23.

How long after getting proper dose of synthroid (thyroxine) should I begin to feel less symptomatic? last tsh was 23.

Usually on the order: Of two to three weeks. But I should warn you there are some patients that some neuromuscular and psychiatric symptoms can take months to resolve. It's also possible that some symptoms thought to be related to hypothroidism like fatigue or weight, may in fact be related to other factors/issues, even when the hypothyroidism is corrected. ...Read more

Dr. Quang Nguyen
893 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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Why does my TSH change so often my level was 5.73 then 6.78 then.03 then .88 then5.88 then 9.7 they keep changing my dose ? This is all in a 4 month .

Why does my TSH change so often my level was 5.73 then 6.78 then.03 then .88 then5.88 then 9.7 they keep changing my dose ? This is all in a 4 month .

Not correct dose: Probably have not achieved correct dosage or you may be taking it at different times. Test has certain amount of variability and you need to always take your medicine on empty stomach at the same time of the day. Are you doing that? ...Read more

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I take 200mcg levothoroxine.My TSH came back &level was 0.12 and dr is lowering my does to 175. Usually my TSH drops they higher dose. I'm confused?

I take 200mcg levothoroxine.My TSH came back &level was 0.12 and dr is lowering my does to 175. Usually my TSH drops they higher dose. I'm confused?

See below: TSH levels rise when thyroid does not make enough thyroxine or the drug dose is lower than needed. At higher than needed dose of thyroxine, TSH levels becomes low. See this site for more info. http://www.nlm.nih.gov/medlineplus/ency/article/003684.htm ...Read more

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Hi TSH is 5.6 doctor said to start medication small dose, my concern is that it will be for life, can I stop medication once TSH is back to normal?

Hi TSH is 5.6 doctor said to start medication small dose, my concern is that it will be for life, can I stop medication once TSH is back to normal?

TSH slightly up: Presumably you do not have symptoms of hypothyroid. First, repeat the test. The TSH may now be normal. If there is reason to believe the thyroid is in the early stages of failing, then it is ok to start medication. Eg. Family history, pos tpo antibodies. Otherwise, it is ok to follow the TSH and begin meds if TSH elevates further. ...Read more

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Tsh is 5.6, doctor recommended to start medication small dose, my concern that once i start it will be for life, can I stop when TSH is back to normal?

Tsh is 5.6, doctor recommended to start medication small dose, my concern that once i start it will be for life, can I stop when TSH is back to normal?

Usually no: But ask your doctor if you really need to start now. Has the TSH been rechecked? Is the free T4 low? Do you have high cholesterol or thyroid antibodies? Not everyone with a slightly high TSH needs to start medication right away, but once it's been deemed necessary, it's usually lifelong. ...Read more

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My son 7 months old ..mild hypothyroid on 25 mcg thyronorm now having TSH 2.61 mIU/L and T4 11.6 .is this normal or need to change the dose ?

My son 7 months old ..mild hypothyroid on 25 mcg thyronorm now having TSH 2.61 mIU/L and T4 11.6 .is this normal or need to change the dose ?

Hypothyroid: Each lab has its on norms so it would be helpful if you could include those as well. If the levels fall within the range and more importantly, if your son is growing appropriately on his growth chart and meeting all his developmental milestones, then he is on the right dose. ...Read more

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Very low TSH with high normal free T4. Twitching. Changed dose. How long til levels normal out? Still twitching 2 weeks later. Had basic neuro exam.

Very low TSH with high normal free T4. Twitching. Changed dose. How long til levels normal out? Still twitching 2 weeks later. Had basic neuro exam.

What did you: change the dose of? If it's thyroid replacement, it can take weeks for the level to normalize, asumming you're now on the correct dose. If it's an ANTI-thyroid drug, it can takes months to work as it only inhibits the formation of NEW thyroid hormone, not the hormone that's already been manufactured. ...Read more