Last reviewed dd mmm yyyy. Last edited dd mmm yyyy
This combination is most frequently seen in patients with other non-thyroid illness.
In the patient who is not systemically unwell then the low TSH may reflect pituitary pathology with secondary hypothyroidism. It is important to make this diagnosis because:
The investigation should include:
Patients who have recently been treated for hyperthyroidism may have residual suppression of TSH levels for up to a year. Such patients who have low TSH and low free thyroid hormones are hypothyroid and should be treated as such.
Add information to this page that would be handy to have on hand during a consultation, such as a web address or phone number. This information will always be displayed when you visit this page