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Symptomatic patients may benefit from reducing TSH below 1.0mU/L, but avoid suppressing TSH below the reference range.
Guidance not applicable for secondary hypothyroidism due to pituitary or hypothalamic disorders (FT4 rather than TSH should be used for monitoring), thyroid cancer (may need to suppress TSH level) or pregnancy (need to keep TSH below 2.5mU/L)
Expert opinion – Dr Bijay Vaidya, Consultant Physician, Royal Devon and Exeter Hospital
This guideline has been signed off by the Pathology Optimisation Clinical group on behalf of NEW Devon CCG.
Publication date: April 2017