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Doctor insights on: What Is Coliphage T4 Virus

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Virus (Definition)

A virus is a small infectious agent that can replicate only inside the living cells of an organism. Viruses can infect all types of organisms, from animals and plants ...Read more


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Hello, I have recently had thyroid blood tests carried out and results came back with high TSH and high t4, I have not been well due to cold or virus?

Hello, I have recently had thyroid blood tests carried out and results came back with high TSH and high t4, I have not been well due to cold or virus?

Hypothyroid: The TSH is 10 times more sensitive as a test of hypothyroidism than the T4 because it is reported on what is called a 'log' scale. The high T4 can be cause by hormones such as birth control pills even if you are hypothyroid. A free T4 will be low or low-normal. ...Read more

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I have hypothyroidism. Been on Synthroid (thyroxine) 50 mcg. For 1 year. I had to take the last 2-3 weeks off with no meds bc i had a virus& was in er. I'm starting meds again friday! will skipping my meds as long as i did damage my heart or something?

I have hypothyroidism. Been on Synthroid (thyroxine) 50 mcg. For 1 year. I had to take the last 2-3 weeks off with no meds bc i had a virus& was in er. I'm starting meds again friday! will skipping my meds as long as i did damage my heart or something?

Not likely!: Synthroid (thyroxine) 50 mcg is a fairly low dose. While you shouldn't suddenly stop meds, your risk of problems from being off and now restarting it are virtually nil. Sudden high levels of thyroid hormone introduced into your system could cause a faster heart rate for a short time, but 50 mcg will probably not do so. If you had problems starting synthroid (thyroxine) before, you could always take half for 2 days. ...Read more

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I had bloodwork done for my thyroid and was told my T4's were extremely low. What does that mean?

I had bloodwork done for my thyroid and was told my T4's were extremely low. What does that mean?

Hypothyroidism: Low T4 is an indication of the thyroid gland not producing enough thyroxine hormone which is necessary for overall body metabolism. Need further work up as to why your T4 is low. Will ultimately need thyroxine replacement therapy. Symptoms of fatigue , constipation, dry skin, weight gain and hair loss will continue without thyroxine replacement. ...Read more

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If my t4 is 10.3 what does this mean??

If my t4 is 10.3 what does this mean??

Sounds normal: The best test for diagnosing a thyroid disorder is the TSH and if that was normal your thyroid is fine. The normal range for T4 is 5-11 so a 10.3 is fine and nothing you should worry about. ...Read more

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Sea kelp and t4, is this okay?

Kelp: Regrettably Yes and No! As far as I can gather no immediate harm would happen to your thyroid in the short term - provided of course that your thyroid is working properly. If you a taking any form of a thyroid med - for either under-active or over-active thyroid activity I would recommend you stay away from synthroid (thyroxine). It is worth spending some time at the library or on the web to get more info. ...Read more

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My t4 is low but my antibodies are high?

My t4  is low but my antibodies are high?

? thyroiditis: Kindly follow up with your doctor or your endocrinologist for adjustment of treatment or additional management, information you provided is scanty, can't help you much with it on that limited platform, wish you wellness ...Read more

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Is T4 a common test for thyroid?

Is T4 a common test for thyroid?

Thyroid: Yes. There is the T4 and the free t4. This is commonly tested when there are possible thyroid abnormalities. ...Read more

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Can I take antidepressant with T4?

Can I take antidepressant with T4?

In general, yes: overall, most antidepressants would generally be ok with T4. there is some evidence of thyroid supplementation being used to help augment the effects of antidepressants. would recommend speaking to the doctor working with your thyroid first. ...Read more

Dr. David Sneid
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Thyroxine (Definition)

Thyroxine is a thyroid ...Read more