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Doctor insights on: What Is The Difference Between Levoxyl And Levothyroxine

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What is the difference between unithroid, levoxyl, (thyroxine) and synthroid?

What is the difference between unithroid, levoxyl, (thyroxine) and synthroid?

Thyroid meds: The difference is mainly in the cost and availability.
If cost is not an issue - thyroid meds are not expensive to my knowledge - take what your doctor prescribes.

If the pharmacist tells you there are less expensive products they would recommend take their advice. ...Read more

Dr. David Sneid
1,422 Doctors shared insights

Thyroxine (Definition)

Thyroxine is a thyroid agent. ...Read more


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Please tell me what's the difference between unithroid, levoxyl, (thyroxine) and synthroid?

Please tell me what's the difference between unithroid, levoxyl, (thyroxine) and synthroid?

Only the name: Unithroid, Levoxyl, and Synthroid are all trade names for l-thyroxine (aka levothyroxine). The levothyroxine is the same in all the preps; dyes & inert fillers may vary. ...Read more

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What is the difference between eltroxin and thyroxine?

What is the difference between eltroxin and thyroxine?

Ingredient vs Name: Thyroxine is the active ingredient. Eltroxin is the pharmaceutical brand name. ...Read more

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What is the difference between tyrosine and synthroid (thyroxine)?

What is the difference between tyrosine and synthroid (thyroxine)?

Synthroid (thyroxine): Tyrosine is an amino acid. Synthroid is thyroxine, a hormone based on the amino acid tyrosine but extensively modified. They are two different things--synthroid treats hypothyroidism, tyrosine does not. ...Read more

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What is the difference between the drugs Synthroid (thyroxine) and methimazole?

What is the difference between the drugs Synthroid (thyroxine) and methimazole?

Different: They treat different spectrum of thyroid disease. Synthroid (thyroxine) is thyroid hormone so we use it to treat people with low thyroid hormone. Methimazole slows down thyroid hormone production so we use it to treat patients with high thyroid hormone. ...Read more

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Will Lansoprazole interfere with Levoxyl (thyroxine)?

Will Lansoprazole interfere with Levoxyl (thyroxine)?

Levoxyl (thyroxine) should be: Taken separately on empty stomach first thing in the morning and then after 30 to 60 minutes later rest of the medicines and Breakfast should be taken. So that there is no interference for Thyroid medicine Absorption.
Lansoprazole helps with Acid reflux so it should be taken in the morning also with breakfast. ...Read more

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What are the side effects of levoxyl (thyroxine) hormone?

What are the side effects of levoxyl (thyroxine) hormone?

None: If the dose is appropriate, there should be no side effects of thyroid hormone replacement. The body does not differentiate a normal amount of thyroid hormone coming from your thyroid gland or from a pill. ...Read more

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What is levoxyl (thyroxine)?

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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Anything I can take OTC for levoxyl (thyroxine)?

No: If you need thyroxine (of which Levoxyl is just one brand) because you are hypothyroid in this country you need thyroxine. ...Read more

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Please describe the medication: levoxyl (thyroxine)?

Please describe the medication: levoxyl (thyroxine)?

It's thyroid hormone: Levoxyl is one of several commercial (non-generic) brands of levothyroxine. Levothyroxine is the most common form of thyroid hormone replacement. ...Read more

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Syntroys or levoxyl (thyroxine) which one is better?

Both work: They are both used for thyroid deficiency. Sunthroid is brand name medicine and Levoxyl (thyroxine) is a different brand name. The both do the same thing ie correct thyroid deficiency. Both work. ...Read more

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How do you know if your equilebrum is off and what do you do for it? I take levoxyl (thyroxine) daily but seem like my balance is not always there

Most: Most people with dysequilibrium problems feel that the room is moving or that they are off balance. This should not be related to levoxyl (thyroxine). If you are having dysequilibrium problems, or have any other neurologic symptoms such as weakness, numbness, vomiting or headache then you must be seen immediately and evaluated. ...Read more

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Been on levoxyl (thyroxine) 50mcg. For 12 yrs. Levoxyl (thyroxine) was recalled and now have to switch to synthroid. Am concerned, are they the same? Would take brand name

Been on levoxyl (thyroxine) 50mcg. For 12 yrs. Levoxyl (thyroxine) was recalled and now have to switch to synthroid. Am concerned, are they the same? Would take brand name

Get thyroid checked: There are differences between brands, and your blood levels may have changed with the switch to synthroid (thyroxine). Best to get your thyroid blood levels checked. ...Read more

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What are side effects of too much levoxyl (thyroxine)?

Hyperthyroid: Too much Levoxyl (thyroxine) can give you the symptoms of hyperthyroidism. Most importantly it can cause osteoporosis. You can have a rapid heart rate, tremor, diarrhea, hair loss, elevated blood pressure, anxiety and weight loss among others. It is important if you are on this medication to see your doctor regularly and check your thyroid levels. ...Read more

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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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I have hypothiroidism and when I take levoxyl (thyroxine) I feel perfectly fine but worried because we are ttc?

I have hypothiroidism and when I take levoxyl (thyroxine) I feel perfectly fine but worried because we are ttc?

Take the med: If you are ttc, it even more important to take the levoxyl (thyroxine). Your thyroid need to be normal to maximize your chance of getting pregnant. You will continue the Levoxyl (thyroxine) during pregnancy. It is safe. ...Read more

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Can a nursing mom take levoxyl (thyroxine)?

Can a nursing mom take levoxyl (thyroxine)?

Yes.: If you have hypothyroidism it is appropriate to take thyroid medication to achieve normal blood levels. ...Read more

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Is one of the side effects of levoxyl (thyroxine) insomnia?

Is one of the side effects of levoxyl (thyroxine) insomnia?

Theoretically: This is medication used to treat hypothyroid or thryoid replacement. Usually taken first thing in morning without other medications. If thyroid levels are up too high, can see insomnia. Usually the medication itself does not cause significant degree of insomnia. ...Read more

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If I'm gaining weight on levoxyl (thyroxine) do I need a lower dose?

No: One decides dose by lab tests ;

this is because weight gain/loss due to thousand other issues

so if thyroid lab ok, need to look for other causes of weight issue. ...Read more

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I am on levoxyl (thyroxine). 112 and becuse of the recall have to go to Synthroid. 112. Which would you normally recommend for your patient and why?

Same med: You can consider synthroid to be the brand name and Levoxyl (thyroxine) the generic name of the same medicine. They are interchangeable, and you should notice no difference at all in the effect of your medication (change). Often times, if I write for synthroid but then sign on the line that says "substitution permitted, " the patient is dispensed Levoxyl (thyroxine) at the pharmacy. No problem. ...Read more

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I have hoshimotos. I take levoxyl (thyroxine) 50mcg and my levels are normal but I still feel horrible. I've been taking levoxyl (thyroxine) for almost a year.

I have hoshimotos. I take levoxyl (thyroxine) 50mcg and my levels are normal but I still feel horrible. I've been taking levoxyl (thyroxine) for almost a year.

Normal: The definition of "normal" thyroid labs depending on the practitioner or supporting organization. Many endocrinologists use a "normal" TSH range of 0.3-3.0. Other use a more strict range of 0.5-2.0. Also consider non-thyroidal disease. ...Read more

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Can you drink milk an hour after taking levoxyl (thyroxine)?

Yes.: Although milk contains calcium, waiting this long after taking your dose should not affect the absorption much. Daily consistency is the key to finding your correct thyroid hormone dose. ...Read more

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Is it safe to take Adderall while also taking levoxyl (thyroxine)?

Is it safe to take Adderall while also taking levoxyl (thyroxine)?

Levoxyl (thyroxine) and Adderall: Yes. Theses are medications that can be taken safely together. ...Read more

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What's the difference between Synthroid (thyroxine) and armoire thyroid medication?

What's the difference between Synthroid (thyroxine) and armoire thyroid medication?

Synthetic vs pig: Synthroid is levothyroxine (t4) produced synthetically. Armour thyroid (armour like the hot dog) is a mixture of tri iodothyronine (t3) and T4 extracted from pig thyroid. Both products are used to treat hypothyroidism. ...Read more

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Is it safe to take levoxyl (thyroxine) while pregnant or breastfeeding?

Is it safe to take levoxyl (thyroxine) while pregnant or breastfeeding?

Yes: Thyroid hormone is perfectly safe during nursing or pregnancy. Thyroid hormone levels should be monitored closely however as they can change during and after pregnancy. ...Read more

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Can the wrong dosage and generic brand of levoxyl (thyroxine) cause irregular cycles?

Can the wrong dosage and generic brand of levoxyl (thyroxine) cause irregular cycles?

It may affect cycle: Thyroid medication is given to optimize thyroxine hormone so as you have regulated metabolism of entire body. Having low or high level of thyroxine has its consequences in your metabolism. Most common body systems affected are cardiovascular, GI and reproductive organ. You may have menstrual irregularity with low or high thyroxine hormone with manifesting either bleeding or amenorrhea. ...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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Can any doc tell me what's the difference between thyroxine, thyrocalcitonin and triiodothyronine?

Can any doc tell me what's the difference between thyroxine, thyrocalcitonin and triiodothyronine?

Yes: Thyroxine also known as T4 is the main product of the thyroid gland. Triiodothyronine or t3 (liothyronine) is also a product of the thyroid but most of it comes from the conversion of T4 in the human tissues by the enzyme deiodinase. T3 (liothyronine) is the active and most potent form of thyroid hormone. Thyrocalcitonin or just calcitonin is unrelated to the above two, comes from the c-cells, and affects the calcium level. ...Read more

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My FSH was more then 100 and I took levothyroxine 50 micrograms.. ..my doctor prescribed thyroxin and pharmacist gave me thyroxine sodium.

This question: Is a bit "confusing" do you mean TSH not FSH???? The thyroxine (thyroxin sodium is THYROID HORMONE which would be used to treat a high TSH!
Is that what you mean???
Hope this helps!
Dr Z ...Read more

Dr. Charles Gordon
219 Doctors shared insights

Levoxyl (Definition)

Levoxyl is a thyroid agent. ...Read more


Levothyroxine (Definition)

Of the hormone produced by one's own ...Read more