A 31-year-old female asked:
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can 50mcg of synthroid (thyroxine) make thyroid nodules grow?

3 doctor answers
Dr. Val Koganski
34 years experience Internal Medicine
NO: Thyroid supplementation occasionally can help to shrink a nodule, and has been used to suppress the growth.
Answered on Sep 29, 2016
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3 thanks
Dr. Samuel Freedman
8 years experience Pediatrics
Thyroid modules: No - generally not. In fact synthroid (thyroxine) is sometimes given in hopes of reducing nodule size.
Answered on May 3, 2018
1
1 thank
Dr. Quang Nguyen
Specializes in Endocrinology
No: Synthroid (thyroxine) does not cause thyroid nodules to grow. If you think your nodules/masses are growing, see your doctor for a repeat ultrasound to get the measurements. Often time, people thinks their nodules are growing but they are actually not, thus a repeat ultrasound could be used as a reassurance for you as well.
Answered on Nov 1, 2016
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2 thanks

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