What Causes Low TSH Levels?

Posted on Sun, 18 Sep 2016

Medically reviewed by Ask A Doctor - 24x7 Medical Review Team

Sun, 18 Sep 2016 Answered on

Mon, 17 Oct 2016 Last reviewed on

Question : I have a very low TSH and my MD is checking this again. If it's low again, what questions should I be asking? Any further testing needed?

Answered by Dr. Ralf Von Seckendorff (12 minutes later)

Brief Answer:
Low TSH may indicate hyperthyriodism

Detailed Answer:
Dear patient,

Your md should check the peripheral hormones Ft3 and Ft4 also, low TSH may be sign of hyperthyroidism. Also an ultrasound of the thyoid and so called TRAK antibodies in the blood should be tested for.

You may need medication to slow your thryoid down (thyreostatics), depending on the origin.

Please discuss this with your local md. Upload your reports for me to view.

Best regards

Above answer was peer-reviewed by : Dr. Vaishalee Punj