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EndocrineWeb Community Advice

Low T3 and synthroid making heart race

From: Jennienew - 1 year 30 weeks ago

Hi- I was just prescribed synthroid 25 mcg on Monday and it makes me feel like my heart is racing.

I have felt exhausted for months, had a strange pressure in my neck, and had other symptoms of hypothyroid.

But most of my lab results were in the normal range but on the low end. I want to make sure I'm not taking medicine I don't need!

These are my levels:
TSH: 1.07
FT3: 2.7
FT4: 1.1
Reverse T3: 16

I did have small sub centimeter nodules on both sides of my thyroid. Any thoughts? I am new to all of this, so I would appreciate it.

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