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Doctor insights on: Underactive Thyroid And Hypothyroidism

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Synthroid (thyroxine) or Armour Thyroid for hypothyriodism?

Synthroid (thyroxine) or Armour Thyroid for  hypothyriodism?

Levothyroxine.: Levothyroxine, generic form of synthroid, has many advantages over armour thyroid. The armour product has significant batch to batch variation and has T3 (liothyronine) in it. Since the T3 (liothyronine) portion of armour has a very quick onset and short duration, it can wreak havoc with the ability to effectively treat hypothyroidism. Until there is a long-acting form of T3 (liothyronine) available, stick to levothyroxine. ...Read more

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Dr. Quang Nguyen
879 doctors shared insights

Hypothyroidism (Adult) (Definition)

Hypothyroidism is a condition where the thyroid gland does not secrete enough of the thyroid hormones. Symptoms include cold intolerance, constipation, and fatigue. ...Read more


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Can thyroid nodules cause hypothyroidism?

Can thyroid nodules cause hypothyroidism?

Nodules hypothyroid: The most common cause of low thyroid is autoimmune Hashimoto's thyroiditis. The lumps in the thyroid can and do exist with the Hashimoto's but don't cause the underlying problem. It is possible that a thyroid gland can become so full of thyroid nodules that it becomes unfunctional, but this is unusual. ...Read more

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Taking ptu (propylthiouracil) for overactive thyroid and Clomid also; does smoking affect thyroid hormones?

Taking ptu (propylthiouracil) for overactive thyroid and Clomid also; does smoking affect thyroid hormones?

Smoking?: Ptu (propylthiouracil) has been used during pregnancy without mayor issues with the baby, though you do need to watch for adverse events on the mother. Smoking does not alter thyroid status. Now if you are taking Clomid for regulation of ovulation because you want to get pregnant, what are you doing smoking? ...Read more

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Thyrolar (thyroxine and liothyronine) and weight loss common?

Thyrolar (thyroxine and liothyronine) and weight loss common?

We no longer: Use thyroid hormones to augment weight loss. It can have serious complications like irregular heart rhythms. In reality, we use thyroid hormones like Liotrix to replacement someone's levels to normal. Hypothyroidism can lead to weight gain and restoring levels to normal(thyroid wise) can help some element of weight loss. in reality, it doesn't usually lead to significant weight loss. ...Read more

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Normal Tpo Ab and Tg Ab; no Hashi's or Graves'. Have a multinodular goiter & Hypothyroidism. If not Hashi's, what causes my Hypothyroidism? Pituitary?

Normal Tpo Ab and Tg Ab; no Hashi's or Graves'. Have a multinodular goiter & Hypothyroidism.
If not Hashi's, what causes my Hypothyroidism? Pituitary?

No autoimmune: so your multi nodular is is under production of Thyroxine no on immune basis , must see an endocrinologist to follow nodular goiter is it is cold or hot by Biopsy and follow as appropriate and tsp levels and t3, (liothyronine)t4 ...Read more

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Can thyroid cancer cause hyperthyroidism?

Can thyroid cancer cause hyperthyroidism?

Unusual: Most thyroid cancers do not produce excess thyroid hormone. Very rarely, a single nodule can produce excess hormone and be cancerous, but those are very unusual. ...Read more

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Can 50mcg of Synthroid (thyroxine) make thyroid nodules grow?

Can 50mcg of Synthroid (thyroxine) make thyroid nodules grow?

NO: Thyroid supplementation occasionally can help to shrink a nodule, and has been used to suppress the growth. ...Read more

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Can you gain weight with an overtreated underactive thyroid?

Can you gain weight with an overtreated underactive thyroid?

Not usually: Too much thyroid tends to cause weight loss but a rare individual may actually gain weight from too much thyroid. ...Read more

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Armour vs thyrolar (thyroxine and liothyronine) for thyriod medicine?

Armour vs thyrolar (thyroxine and liothyronine)  for thyriod medicine?

Not the best: All of the major professional societies for thyroid specialists, the endocrine society, the american thyroid association, and the american association of clinical endocrinologists have issued formal statements indicating that levothyroxine is the best choice for most patients. Both armour and thyrolar (thyroxine and liothyronine) provide too much T3 relative to t4, making it very difficult to keep tsh, free T4 & T3 normal. ...Read more

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Can thyroid cancer cause hypothyroid symptoms?

Can thyroid cancer cause hypothyroid symptoms?

Yes and No.: Thyroid Cancer itself does not cause hypothyroidism or symptoms of hypothyroidism. Most people with thyroid cancer will have NO symptoms at all; some may have a lump in the lower neck, trouble swallowing, or hoarseness. Treatment for thyroid cancer (surgery to remove the thyroid) will cause hypothyroidism, but with proper treatment, there should be no symptoms. ...Read more

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Why would autoimmune disorders make the thyroid gland produce excessive thyroxine?

Why would autoimmune disorders make the thyroid gland produce excessive thyroxine?

Antibodies: Some auto-antibodies sit on the thyroid cells and make them over produce thyroid hormone. Other autoantibodies can cause the exact opposite. ...Read more

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Can a hashimoto thyroid goiter be shrunk with diet?

Can a hashimoto thyroid goiter be shrunk with diet?

No effect of diet: Unfortunately, it is an autoimmune disease, controlled by antibodies to the thyroid, and diet will not help. If you are hypothyroid, you may benefit from levothyroxine. But it is hard to get that inflamed thyroid to shrink. ...Read more

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Is hypothyroidism the same thing as underactive thyroid?

Is hypothyroidism the same thing as underactive thyroid?

Yes they are d same.: Take care! http://www.Medicinenet.Com/script/main/mobileart.Asp?Articlekey=914.

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Dr. James Chu Dr. Chu
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Question about underactive thyroid--is that just a mild form of hypothyroid?

Dr. James Chu Dr. Chu
3 doctors agreed:
Question about underactive thyroid--is that just a mild form of hypothyroid?

Same condition: Hypothyroidism refers to the state in which the thyroid is under-producing thyroid hormone (= underactive in this function). Most common forms of hypothyroidism (or underactive thyroid gland) are: autoimmune thyroiditis (hashimoto's disease), surgical removal of thyroid, excessive iodine intake, or after radio-active iodine ablation of thyroid gland. ...Read more

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Dr. John DeWolf
13 doctors shared insights

Thyroid (Definition)

The thyroid is an endocrine gland that sits in the lower part of the neck. It produces thyroid hormone - which ...Read more


Dr. Su Fairchild
1,278 doctors shared insights

Hypothyroidism (Definition)

A condition in which the thyroid gland can't make enough thyroid hormone to keep ...Read more