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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Heart Palpitations While On Synthroid?

I m currently on Synthroid 75 mcg and have recently been experiencing heart palpitations. Is it possible my dose is a little too strong? I ve been on this dose for about 2 years and it s the first time I m having this reaction. I have also been taking 2.5 mg of LDN to help with the symptoms of Hashimoto s.
Mon, 1 Aug 2016
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General & Family Physician,  's  Response
Hi thanks for contacting HCM...

I appreciate your knowledge ...

You are right ...Here you have not mentioned TSH report value ...

You are taking drug since long time ...You might have not done your TSH level ....

Dose has to be adjusted according to tsh level...
So repeat your TSH...

If it is too low than (less than 0.5) than secondary hyperthyroid can be there leading palpitation..

If tsh within range than measure blood pressure and EKG done .

Advise : cardiologist consultation for examination and auscultation.

Take care
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What Causes Heart Palpitations While On Synthroid?

Hi thanks for contacting HCM... I appreciate your knowledge ... You are right ...Here you have not mentioned TSH report value ... You are taking drug since long time ...You might have not done your TSH level .... Dose has to be adjusted according to tsh level... So repeat your TSH... If it is too low than (less than 0.5) than secondary hyperthyroid can be there leading palpitation.. If tsh within range than measure blood pressure and EKG done . Advise : cardiologist consultation for examination and auscultation. Take care