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A member asked:

I train 4 or 5 times a week, i have an underactive thyroid which i have thyroxin for, i notice my heartrate stays high long after the gym workout?

A doctor has provided 1 answer
Dr. Robert Lang answered

Specializes in Internal Medicine - Endocrinology

Maybe too much med: If the thyroid blood level is normal you should feel normal. High heart rate can be too much medication. Have your doctor do a blood test.

Answered 11/12/2012

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Related Questions

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I am on medication for an underactive thryroid I am on a 150 mcg thyroxine , is there anyting I can do to help my my problem?

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I had my thyroid removed 3 months ago, taking 150 micrograms of synthroid, (thyroxine) my tsh 3 generation came back as 19.4. Is that really high ?

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Had high TSH (4.6). Refused Synthroid (thyroxine). Repeat test: Normal TSH (2.4), normal T4 (0.98), elevated T3 (4.8), negative thyroid antibodies. Any concerns?

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My thyroid levels are really high and I'm having trouble losing weight what can I do. And how can I get on synthroid (thyroxine)?

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I have type 1 diabetes and I am also on high levels of thyroxine as my thyroid was removed. Can I expect a normal life expectancy or is it unlikely?

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