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Doctor insights on: Does Synthroid Cause Increased Metabolism

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Once you begin taking Synthroid are you obligated to it forever? Recently, i skipped my levothyroxin 100mcg for 5 days. Before being prescibed and since I have had a slow metabolism. It seems that the 5 day break gave my metabolism a jump-start. Could thi

Once you begin taking Synthroid are you obligated to it forever? Recently, i skipped my levothyroxin 100mcg for 5 days. Before being prescibed and since I have had a slow metabolism. It seems that the 5 day break gave my metabolism a jump-start. Could thi

Thyroid forever: If you have acquired hypothyroidism you can never naturally regain your ability to manufacture naturally the thyroid hormone. This may be the most common medical diagnosis in american medicine. And, it means that you will need to take a daily thyroid replacement for as long as you live. ...Read more

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Dr. David Sneid
1,375 doctors shared insights

Thyroxine (Definition)

Thyroxine is a thyroid ...Read more


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Had TT in '08. TSH stable until 1 year ago. Went from 3.0 to 7.12 in 2 months. On synthroid (thyroxine). Increased dose. Could that cause increase in PVC's?

Had TT in '08.  TSH stable until 1 year ago.  Went from 3.0 to 7.12 in 2 months.  On synthroid (thyroxine).  Increased dose.  Could that cause increase in PVC's?

Yes: Thyrotoxicosis can cause different kinds of arrhythmias. Increasing a thyroid dose may increase arrhythmias in those who have them as a consequence of xs thyroid activity. See Ur doc. Good luck. ...Read more

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Tsh tests between 18 and 25. Over 8 months. T3 (liothyronine) and t4 good. Could there be underlying cause? Total thyroid removal 2014. Doc increased thyroxine

Tsh tests between 18 and 25. Over 8 months. T3 (liothyronine) and t4 good. Could there be underlying cause? Total thyroid removal 2014. Doc increased thyroxine

Increase thyroxine: As you have total thyroid removal , you need Thyroxine as replacement, Dose need to be adjusted based on TSH level, which is preferred to be 0.4 - 2.5. Celiac disease and IBS may cause variability in absorption of Thyroxine. ...Read more

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T have a headache. Could Synthroid (thyroxine) be the cause?

T have a headache. Could Synthroid (thyroxine) be the cause?

Very unlikely: Synthroid is giving you levothyroxine, a naturally occurring compound that the thyroid normally makes. It is remotely possible (< 1% chance) that the headache could be due to a reaction to the dye in the pills. If so, then switching to 50 mcg pills (may need more than 1 per day) would eliminate the headaches. ...Read more

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Can 100 mcg thyroxine dosage cause sleepness nights?

Can 100 mcg thyroxine dosage cause sleepness nights?

Yes: Sure, if it is too much. Have your doctor measure serum T4 and tsh, and adjust the dose. ...Read more

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Now i increased my dosage to 200mg of thyroxine. Will it be sufficient to improve my level orelse am i required to do something else.

Now i increased my dosage to 200mg of thyroxine. Will it be sufficient to improve my level orelse am i required to do something else.

Thyroid: It depends. You need to wait a bit and then have your levels rechecked. Your doctor will adjust the dose accordingly. If your TSH is still high at that point, then you might need a referral to an endocrinologist. Ive seen people react differently to generic levothyroxine vs synthroid more than any other med so that might be something they'll consider. ...Read more

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Does l thyroxine cause osteoporosis ? Or is it completely false ?

Does l thyroxine cause osteoporosis ? Or is it completely false ?

Osteoporosis: It is very unlikely particularly if you are taking the dose your doctor prescribed and you have follow up labs. ...Read more

Dr. Joseph Mathews
592 doctors shared insights

Synthroid (Definition)

Synthroid is a thyroid ...Read more