Discussions that mention synthroid

Thyroid Disorders board

Hi Everyone.

Over the last few days my resting heart rate has jumped from 68-72 bpm to 80-90 bpm. I was at the docs on thurs. and my TSH was .016 which is hyper. However my ft4 was only 15 (range 10-20). I have a new rx of .88 synthroid which I am now afraid to take. I am afraid I am going to have a heart attack.

Should I be concerned? Is this a dangerous increase?

What are your resting heart rates?

thanks for your replies. I will keep taking my .88 synthroid to try to raise my FT4. Hopefully things level out.

Thanks again