A 32-year-old female asked:
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can thyrotoxicosis be caused by taking too much or too high of a dose of synthroid (thyroxine)?

2 doctor answers
Dr. Donald Colantino
60 years experience Internal Medicine
Excess synthroid (thyroxine): Too much synthroid (thyroxine) causes the same effects as thyrotoxicosis but it would be called a toxic dose of synthetic thyroid supplement rather than thyrotoxicosis. That is it is exogenous rather than endogenous thyrotoxicosis.
Answered on Mar 8, 2014
Dr. Milton Mintz
A Verified Doctor answered
A US doctor answered Learn more
Very possible: See your physician for blood wk ; exam.
Answered on Mar 8, 2014

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Related questions:

A 21-year-old female asked:
Dr. Thomas Knecht
A Verified Doctor answered
A US doctor answered Learn more
Too much thyroid : Hi. Please work with your doctor. At age 21, your body will probably tolerate that TSH suppression in the short run, and you've had Graves', after all ... Read More
A 26-year-old member asked:
Dr. Stephen Lorino
25 years experience Internal Medicine
Yes: Would give you the same effects as being hyperthyroid; palpitations, heart rhythm problems, anxiety and nervousness just to name a few.
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A 43-year-old female asked:
Dr. Rex Mahnensmith
A Verified Doctor answered
A US doctor answered Learn more
Thyroxine dose: This dose is average. It depends upon age and body weight. Your doc will monitor Total T4, freeT4, TSH levels to optimize.
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A 41-year-old female asked:
Dr. J. Lawrence Dohan
56 years experience Dermatology
No: This did not happen. Her epiphyses closed at least 20 years ago.

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