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Doctor insights on: Synthroid Thyroxine Take

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Can a woman on Synthroid (thyroxine) take iodine?

Can a woman on Synthroid (thyroxine) take iodine?

Why take it?: If you are on synthroid (thyroxine), (thyroxine) you likely are being treated for hypothyroidism. The most common cause in your age group is hashimoto's thyroiditis. Taking iodine makes this condition worse, not better. By the way, synthroid (thyroxine) already contains iodine molecules. ...Read more

Dr. David Sneid
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Thyroxine (Definition)

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How long does it take for a new level of Synthroid (thyroxine) to take effect so that I can get a repeat blood test for my TSH which was 0.01?

How long does it take for a new level of Synthroid (thyroxine) to take effect so that I can get a repeat blood test for my TSH which was 0.01?

At least a month: If your TSH was 0.01 you were definitely taking too much thyroid hormone so I assume your doctor reduced your dose. I usually wait 1-2 months before repeating the free T4 and TSH on the new dose by which time the tests should have stabilized ...Read more

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Is generic Synthroid (thyroxine) okay to take?

Is generic Synthroid (thyroxine) okay to take?

Yes: Generic synthroid is called levothyroxine. Taking generic version is reasonable and will likely achivevsimilar results , however i would recommend that you inform your endocrinologist about such switch as you may need to have your thyroid levels checked soon (a few weeks) after making the switch to ensure your dosing is appropriate. I would also recommend that you adhere to one kind of preparation. ...Read more

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How long does it take for the increase in Synthroid (thyroxine) dosage to take effect?

How long does it take for the increase in Synthroid (thyroxine) dosage to take effect?

Weeks: You may start to feel a difference in 1-2 weeks, but you need to give a new dosage 6 weeks before rechecking thyroid blood levels. ...Read more

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How long does Synthroid (thyroxine) dosage change take to work? I'm 13w pregnant & just found out it's way too low so I'm worried I'll misscarry.

How long does Synthroid (thyroxine) dosage change take to work? I'm 13w pregnant & just found out it's way too low so I'm worried I'll misscarry.

Thyroid: No need to worry. Your doctor needs to keep an eye on you as you proceed through pregnancy, changing the dose as needed. You and baby will be fine. Your obstetrician will look after you as well. ...Read more

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How long should you wait after taking Synthroid (thyroxine) before you take your vitamins and supplements?

How long should you wait after taking Synthroid (thyroxine) before you take your vitamins and supplements?

Thyroid: Typically the recommendation is to wait at least 30 min after your thyroid medication before consuming foods or vitamins. There is some new emerging evidence also that you can take all your weekly thyroid pills in a single dose once weekly. You might want to ask your doctor about this as the studies have shown no difference in long term control and may make it easier for u to take vitamins. ...Read more

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I have hypothryodism and take Synthroid (thyroxine)...If I take Niacin 500mg does if interfere with my condition? Don't want my thyroid to got back to being slow

I have hypothryodism and take Synthroid (thyroxine)...If I take Niacin 500mg does if interfere with my condition?  Don't want my thyroid to got back to being slow

I don't think so: There is a HUGE list of medications which interact with Synthroid, (thyroxine) but I could not find niacin on it. Certainly there are other cholesterol lowering medications which should be taken cautiously or avoided when taking Synthroid, (thyroxine) but niacin seems to be ok. 500 mg is a relatively low dose so start there and see how it goes. If get flushing, talk with MD about taking low dose aspirin to prevent. ...Read more

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What happens if a child takes Synthroid (thyroxine) pills?

Can overdose: If the synthroid (thyroxine) is not prescribed for the child, the child can have an overdose which can be dangerous. Synthroid (thyroxine) (thyroid medication) can increase the thyroid levels. Good thing if your level is low; bad thing if your child's level is normal and she takes an adult dose. Keep all meds out of reach of children! ...Read more

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Can i take Synthroid (thyroxine) at night instead of in the morning?

Can i take Synthroid (thyroxine) at night instead of in the morning?

Yes: As long as you take it at the same time with iron, calcium or a multivitamin. Just be consistent. ...Read more

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Do you really need to eat an hour after you take synthroid (thyroxine)?

Do you really need to eat an hour after you take synthroid (thyroxine)?

30 min may suffice: If there is conflict in am, you can take at bedtime as shown in a recent study in a thyroid journal. ...Read more

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Is it okay to take Synthroid (thyroxine) if your tests are normal already?

Is it okay to take Synthroid (thyroxine) if your tests are normal already?

What is normal?: If your tests are normal when taking thyroxine that is good. If someone wants to give you thyroxine and you have "normal" labs already than see another doctor. ...Read more

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If a healthy person takes synthroid, (thyroxine) what happens? Good, bad, or neutral?

If a healthy person takes synthroid, (thyroxine) what happens? Good, bad, or neutral?

Weird question: Hi. If I understand, you mean what would happen if a person without hypothyroidism takes Synthroid (thyroxine)? If a non-hypothyroid person took a high enough dose, it would make the person hyperthyroid. A very low dose could be accommodated because the pituitary would adjust TSH secretion to adjust endogenous thyroid function downward to account for the added exogenous thyroid hormone. But why do you ask? ...Read more

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Dr. Joseph Mathews
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