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Doctor insights on: Thyroxine

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Dr. David Sneid
1,422 Doctors shared insights

Thyroxine (Overview)

Thyroxine is a thyroid agent. Nutritional or metabolic agent.


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What does thyroxine total blood test tells a doctor about the patient?

What does thyroxine total blood test tells a doctor about the patient?

Not much: Thyroid hormones like thyroxine float around partly bound to proteins and partly "free". Only the free portion is active. In someone with a normal thyroid, the more protein that is present, the more thyroxine gets stuck, the more thyroxine produced so that the free portion stays normal. So the total goes up, but the free thyroxine is normal. Pregnancy and birth control can make the protein go up. ...Read more

Dr. David Sneid
1,422 Doctors shared insights

Thyroxine (Overview)

Thyroxine is a thyroid agent. Nutritional or metabolic agent.


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What exactly is an overdose of thyroxine for a hypothyroidism patient?

What exactly is an overdose of thyroxine for a hypothyroidism patient?

Symptomatic: Many times will treat based on symptoms once dz is confirmed (within a certain range of normal). If symptoms of hyperthyroid would cut down dose, ie anxiety, agitation, tremor, exophthalmos, palpitations, diarrhea, jittery, racing heart, overheating, significant wt loss, insatiable appetite etc.... ...Read more

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Can you please define normal level of T3 (liothyronine) triodothyronine, T4 thyroxine, and tsh.?

Can you please define normal level of T3 (liothyronine) triodothyronine, T4 thyroxine, and tsh.?

100-200ngm/dl, 4.5-11: Tsh between 0.4 and 4.0
t4 4.5 to 11.2 micrigm per deciliter (mcg/dl)
t3 is100to200nanogram per deciliter (ngm/dl). ...Read more

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Thyroxine stopped suddenly when I ran out. Might it be a problem?

Thyroxine stopped suddenly when I ran out. Might it be a problem?

Yes it may be: It depends on why you were taking it. If you have complete hypothyroidism from thyroid surgery or radioactive iodine treatment, then you need to re-start. However, since the hormone lasts for a few days in your system, it may take a week or more before you have symptoms of hypothyroidism. ...Read more

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Is there over-the-counter medicine similar to Synthroid (thyroxine) I can take? I know I have another thyroid issue but drs won't prescribe since levels r normal?

Is there over-the-counter medicine similar to Synthroid (thyroxine) I can take? I know I have another thyroid issue but drs won't prescribe since levels r normal?

Thyroid Tx.: There is no OTC alternative to thyroid medication and, quite frankly, if your blood levels are normal you don't need any corrective treatment, OTC or otherwise. ...Read more

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My wife been diagonsed with hypothyroidism. She has been prescribed for sodium thyroxine. We are looking for that medicine from vegetarian source?

My wife been diagonsed with hypothyroidism. She has been prescribed for sodium thyroxine. We are looking for that medicine from vegetarian source?

It is vegetarian: All sodium levothyroxine is derived from vegetarian sources so no need to look any further. The only animal-derived thryoid medicines are thyroid glandular extracts like Armour Thyroid and nature-throid.
Most who are hypothyroid also benefit from liothyronine, which is also vegetarian- see http://thyroid. About. Com/od/t3treatment/tp/t4-t3-thyroid-treatment. Htm &
http://bit. Ly/15k26u8 for more info. ...Read more

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Weights loss as a side effects of thyroxine use - how much is too much?

Weights loss as a side effects of thyroxine use - how much is too much?

When TSH is low: People who take thyroxine for simple hypothyroidism should have normal TSH to be safe. They should not loose weight, unless their prior weight gain was due to hypothyroidism. Taking too much thyroxine can cause atrial fibrillation and osteoporosis. On the other hand people with thyroid cancer are sometimes given a slight excess of thyroxine to prevent the cancer from returning. ...Read more

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Thyroxine sodium vs levothyroxine. Which one is more effective?

Thyroxine sodium vs levothyroxine. Which one is more effective?

Stick with one: Thyroxine sodium and levothyroxine are simply different forms of generic "synthroid". Neither is better than the other. Whichever form you take, stick with it. The bioavailability of each thyroid preparation is a little different. If you switch from one form to another, your thyroid numbers may change, and you may start to feel hypo or hyper. Sometimes pharmacists switch you to save $. ...Read more

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In what time frame does thyroxine work?

In what time frame does thyroxine work?

Weeks: Since the thyroxine has a long duration in the body, every daily pill contributes little to the total body thyroid hormone content. As a consequence, it takes a long time (6 weeks) for thyroxine levels to reach the target level once treatment is started. ...Read more

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Is thyroxine safe in pregnency?

Is thyroxine safe in pregnency?

Thyroid Treatment: Yes. Of course. And low or hypo thyroid in pregnancy is dangerous. Take you medication. ...Read more

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What happens to your body with toxic levels of synthroid (thyroxine)?

What happens to your body with toxic levels of synthroid (thyroxine)?

Feel ill: Common symptoms include heat intolerance, palpitations, nervousness, tremor, diarrhea, irritability. Long term, it tends to leech calcium out of your bones causing osteoporosis. ...Read more

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Just got a call from my gp if I am still alive? My TSH is 124 & T4 at 7. Is it life threatening? I started Synthroid (thyroxine) 100mg for last 3 days. Stressed!

Just got a call from my gp if I am still alive? My TSH is 124 & T4 at 7. Is it life threatening? I started Synthroid (thyroxine) 100mg for last 3 days. Stressed!

TSH: First make sure hat your decimals are correct. The very high TSH indicates that you have low thyroid function either primary or secondary. Follow up with antibodies and listen to your doctor. You will be ok when it is all balanced. ...Read more

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Possible side effect of synthroid (thyroxine)?

Possible side effect of synthroid (thyroxine)?

Rash: In general, it's a very safe drug. Possible side effect is a rash, caused by the dye used to make the pill color. When this happens, it's recommend to use the white pill to see if the rash goes away. The white pill contain no dyes. If the rash goes away, then it's likely the dye. Other side effects: if use too much: fast heartbeats, shaking, nervousness, diarrhea, headache, insomnia, hair loss. ...Read more

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Is it safe to do herbal cleanses using supplements if you're taking meds like Synthroid (thyroxine) and SSRI meds? Or will it flush meds out of yr system?

Is it safe to do herbal cleanses using supplements if you're taking meds like Synthroid (thyroxine) and SSRI meds? Or will it flush meds out of yr system?

The road to health..: ...does NOT lead through your rectum. Colon cleansing can cause vomiting, electrolyte imbalance, dehydration, jaundice & kidney failure. It was discredited a century ago. It may sound appealing but there is NO scientific evidence for it. None. Claims that toxins in your GI tract cause health problems eg arthritis, allergies, asthma are nonsense. Arm yourself with knowledge, not outdated claptrap. ...Read more

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Does 800 mg twice a day of pure green coffee extract interact negatively with synthroid (thyroxine)?

Does 800 mg twice a day of pure green coffee extract interact negatively with synthroid (thyroxine)?

Unknown: It is best to take synthroid (thyroxine) by itself on an empty stomach and wait at least 40 min before eating. Taking supplements at the same time can affect the absorption of synthroid (thyroxine). I can find no studies that have examined green coffee extract on thyroid hormone absorption. If thyroid levels change while taking the extract it means that it is probably affecting the absorption. ...Read more

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When on Synthroid (thyroxine) and Adderall what is a safe time between taking them to avoid any interaction?

When on Synthroid (thyroxine) and Adderall what is a safe time between taking them to avoid any interaction?

In a perfect world: You would take your synthroid (thyroxine) an hour or two prior to your adderall. Remember, you should avoid taking your synthroid (thyroxine) with diary and/or mineral supplements too. Overall though, there really isn't any significant interaction between the two medications. ...Read more

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Can I mix apple/grape juice with prune juice within a 6 hour period? I take toprol (metoprolol) and Synthroid daily.

Can I mix apple/grape juice with prune juice within a 6 hour period? I take toprol (metoprolol) and Synthroid daily.

There should be no: Affect on your medications absorption. The combination of those juices should have not affect on you either. There will be a moderate amount of fiber in the combination so some softening of your stools might be expected. ...Read more

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What can too much thyroxine do to the body?

Problems: Like anything else, too much of a good thing is also no good. Too much thyroxine causes hyperthyroidism. This can cause palpitations, irregular heart rhythms, bone loss, muscle weakness, trouble sleeping, anxiety. In essence, thyroid hormone affects every part of your body. ...Read more

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Am on thyroxine for many years was keeping low TSH generally below. 5 and was feeling great till I got into lots of skipped beats. Have now beem advisd to keep TSH above 1.5 feel bloated. But is it?

Is it what?: Not sure what your question is but while too much thyroid can cause a fast heart rate it doesn't tend to cause skipped beats. I don't believe in keeping TSH above 1.5. The best dose is the one that helps you feel best as long as T3 (liothyronine) & T4 aren't too high. Skipped beats may be from low magnesium. Hawthore & taurine may help too. See
http://www. Stopthethyroidmadness. Com/tsh-why-its-useless/. ...Read more

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What is levoxyl (thyroxine)?

Levoxyl (thyroxine): This is a drug that is helpful for problems with the thyroid gland.
There are more than one types of this medicine but there are not many differences. ...Read more

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What stops thyroxine from working?

When you stop taking: Thyroxin stops working only when you stop taking it. ...Read more

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What does excess thyroxine do in the body?

Hyperthyroidism: If you are hyperthyroid, it will cause symptoms; common ones are heat intolerance, palpitations, nervousness, tremor, diarrhea, irritability. It causes bone loss (osteoporosis) over time. It places a stress on your heart, which may be tolerated when young, but not with aging. It can be treated, but you may need to see an endocrinologist. ...Read more

Dr. Joseph Mathews
618 Doctors shared insights

Synthroid (Definition)

Synthroid is a thyroid agent. ...Read more


Dr. Charles Gordon
219 Doctors shared insights

Levoxyl (Definition)

Levoxyl is a thyroid agent. ...Read more