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Doctor insights on: Does Synthroid Effect Sodium Level

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How does Synthroid (thyroxine) affect sodium levels?

How does Synthroid (thyroxine) affect sodium levels?

Thyroid and sodium: There are many causes of abnormal na levels. Hypothyroidism can cause low na (hyponatremia). If you are on the correct dose of synthroid (thyroxine) (i.e. Normal tsh) then your na should be normal. If it is not, then another cause should be sought with the help of your doctor. ...Read more

Dr. Rex Mahnensmith
2,023 doctors shared insights

Sodium (Definition)

It's an element that is important in the cell functions ...Read more


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I'm taking 200mcg of Thyroxine Sodium daily for the past 12 years.If I switch to 200mcg of Levothyroxine Sodium instead, What will be the side effect?

I'm taking 200mcg of Thyroxine Sodium daily for the past 12 years.If I switch to 200mcg of Levothyroxine Sodium instead, What will be the side effect?

Same thing: Hi. The only thyroxine sold as pure thyroxine is levothyroxine, so you should be fine. In other words, what was labeled as thyroxine was actually levothyroxine. After you make this switch, have your TSH and free T4 checked about 8 weeks later to assure biological similarity of the two different l-thyroxine preparations. Good luck! ...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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My mother have thyroid is this tablet is best thyrox-50 thyroxine sodium tablet ip?

My mother have thyroid is this tablet is best thyrox-50 thyroxine sodium tablet ip?

Hypothyroidism: Treatment is thyroid extract, thyroxine, synthroid, etc. Dosage adjusted by measurements of TSH and T4 to make the patient normal/ euthyroid on orescribed medication. Work with insurance, pharmacist and your factor for best value! old time drugs, inexpensive are available. ...Read more

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My mom take Thyroxine sodium Tablets 100mcg everyday,and her TSH Laval is >60, so this this thiroid is primary or not?

My mom take Thyroxine sodium Tablets 100mcg everyday,and her TSH Laval is >60, so this this thiroid is primary or not?

Needs more: Sounds like she's undertreated. Might need a higher dose of medication to achieve adequate control of her thyroid and lower the TSH. ...Read more

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I would like to know why manufacturer's use levothyroxine rather than thyroxine in their thyroid medications? Levo has heavier sodium molecule

I would like to know why manufacturer's use levothyroxine rather than thyroxine in their thyroid medications? Levo has heavier sodium molecule

Thyroxine: 22M asks about diff between levothyroxine and thyroxine and notes Levo has heavier Na molecule. ANS: my recollection is that most Na is not of the heavy type. Recommend you look at the chemistry of Na at wikipedia for more details about heavy Na. ...Read more

Dr. Joseph Mathews
592 doctors shared insights

Synthroid (Definition)

Synthroid is a thyroid ...Read more


Dr. David Sneid
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Thyroxine (Definition)

Thyroxine is a thyroid ...Read more