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Doctor insights on: Too Low Of A Dose Of Synthroid

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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. David Sneid
1,375 doctors shared insights

Thyroxine (Definition)

Thyroxine is a thyroid ...Read more


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My granddaughter was given too low of a dose of synthroid (thyroxine). Her Tsh was 33. She is 20 weeks pregnant. Will the levels hurt the baby?

My granddaughter was given too low of a dose of synthroid (thyroxine). Her Tsh was 33. She is 20 weeks pregnant. Will the levels hurt the baby?

Followup is key: The key is in the followup here. What is clear is that it is abnormally low levels of T4 are to be avoided in pregnancy and can damage the baby. Keep all followups with ob for lab followups and medicine adjustments. ...Read more

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I take low dose synthroid, (thyroxine) is it ok to take l- carnitine?

I take low dose  synthroid, (thyroxine) is it ok to take l- carnitine?

It won't: affect the Synthroid, (thyroxine) but won't help you either, unless you just like putting unknown toxins in your body and wasting your money. Don't get your scientific information from friends, tv or internet scams. ...Read more

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Is it possible to stop taking thyroxine if starded at low dose and fof no more than 40 days ? Tsh was 3.2 when starting

Is it possible to stop taking thyroxine if starded at low dose and fof no more than 40 days ? Tsh was 3.2 when starting

OK: Should be no problem. Your thyroid function was actually normal when you started it. You do not need thyroid supplement. ...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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Tsh has gone to .007 to .02 now .07 still very low! my Synthroid (thyroxine) 88 my lowest dose ever. Is this showing another problem? Pituitary?

Tsh has gone to .007 to .02 now .07 still very low! my Synthroid (thyroxine) 88 my lowest dose ever. Is this showing another problem?  Pituitary?

Appropriate: Your TSH level should go higher (as it has) as your dose of thyroid hormone is lowered. Tsh, a pituitary hormone which regulates thyroid output, moves inversely with the level of thyroid hormone. You latest level indicates your current dose of medicine is still higher than you need. You may need a very small dose. It's even possible that, at least for a while, you may need none at all. ...Read more

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Does normal (1.01) "thyroxine (t4) free, direct, s, " normal (0.931) "tsh, " and low (67) "triiodothyronine (t3)" = Synthroid dose good? Or go up/down?

Does normal (1.01) "thyroxine (t4) free, direct, s, " normal (0.931) "tsh, " and low (67) "triiodothyronine (t3)" = Synthroid dose good? Or go up/down?

Thyroid tests: The tsh, and secondarily the ft4, are normally used to guide the dosage of levothyroxine replacement. T3 (liothyronine) is not normally followed for this. There are a number of issues, and you would be best discussing this with your doctor. ...Read more

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Person with normal Total T4, T3 (liothyronine) Uptake, FTI, Ultrasensitive TSH but LOW Total T3 (liothyronine) (63.55 ng/dl) = Synthroid dose needs to increase?

Person with 

normal Total T4, T3 (liothyronine) Uptake, FTI, Ultrasensitive TSH 

but 

LOW Total T3 (liothyronine) (63.55 ng/dl) 

= 

Synthroid dose needs to increase?

It's OK: Hi. Your TSH is "normal", but I'd shoot for a value on therapy generally around the 1.0-1.5 range. The total T4, T3 (liothyronine) resin uptake, and FTI are prehistoric tests no one in the thyroid field has used for years. Your body regulates conversion of T4 to T3 (liothyronine), so your T3 (liothyronine) should be just what the body ordered. Your T3 (liothyronine) is close to the normal range; if you repeat it it's likely to be within normal range. ...Read more

Dr. Joseph Mathews
592 doctors shared insights

Synthroid (Definition)

Synthroid is a thyroid ...Read more