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Doctor insights on: Levothyroxine

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Levothyroxine (Overview)

Of the hormone produced by one's own thyroid gland = t4.


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Im 29 years old. i just switched docs and had my TSH tested. The results were 8.37 is that very hypothyroid? What dose of levothyroxine would suggest?

Im 29 years old. i just switched docs and had my TSH tested. The results were 8.37 is that very hypothyroid? What dose of levothyroxine would suggest?

On the internet?: You are Hypothyroid. Yes. But this is not the place to get treatment or prescription advice. Your physician will be very competent on starting you on Thyroid replacement. ...Read more

Levothyroxine (Overview)

Of the hormone produced by one's own thyroid gland = t4.


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How long after eating does someone have to wait before taking levothyroxine. In other words, what's the definition of an empty stomach?

No soy no iron: Although the packaging for levothyroxine says to take it on an empty stomach for many people its not possible to do that and take it consistently each day. As long as you take it at a consistent time and don't take it with soy or with iron which will interfere with its absorption it is fine to take it with breakfast or before bed without being strictly fasting. Just get labs checked after change. ...Read more

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Gaining weight thyroid labs are tt3-1.17.Ft4 11.1(veryhigh) and tsh1.20.Dr. Says i'm hypo prescribes levothyroxine.Im scared its serious w wrong meds?

Gaining weight thyroid labs are tt3-1.17.Ft4 11.1(veryhigh) and tsh1.20.Dr. Says i'm hypo prescribes levothyroxine.Im scared its serious w wrong meds?

Thyroid : Thanks for resend. Still not quite sure what is going on from info. Certainly the thyroid bloodwork should be repeated. If it still comes out the same you should have a nuc-med thyroid uptake and scan. Sometime the T4 is high if you take the med the day of the test, but not that high. The TSH being normal is a good sign. It is the most sensitive indicator of your thyroid health. See endo. ...Read more

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Can you tell me if i could get prescribed levothyroxine?

For Hypothyroidism: levothyroxine is usually prescribed for the condition of hypothyroidism. Labs are used to determine if you are suffering from thyroid disease. See your doctor if you are having weakness, cold intolerance, depression, hair/skin changes or suspect you are suffering from a thyroid condition for further workup. ...Read more

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Can you use levothyroxine for weight loss?

Can you use levothyroxine for weight loss?

Yes: You can boost metabolism but will cause fast heartbeat or irregular heartbeat so need supervision by a doctor(need to be prescribed by a doctor). ...Read more

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Is implanon effective while on levothyroxine?

Is implanon effective while on levothyroxine?

Yes: Levothyroxine will not affect the effectiveness of Implanon. Implanon is an implanted device, levothyroxine is an oral tablet, and the two are not known to interact with one another. ...Read more

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After Levothyroxine is taken how long does it take to kick in?

Depends: Hi. Levothyroxine (T4) takes about 5-6 weeks to get to equilibrium state in your blood. Biological effects may be felt sooner than that, of course, but in terms of lab testing after starting or changing a dose, you need to wait about 6 weeks to test when the dose is at equilibrium in the blood. T4 works by regulating gene expression; DNA to RNA to protein and the proteins affect tissue function ...Read more

Dr. David Sneid
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Thyroxine (Definition)

Thyroxine is a thyroid ...Read more