The Thyroid Tests Beyond TSH: When Free T4, Free T3 and Antibodies Matter
A thyroid-stimulating hormone test, better known as TSH, is often the first blood test ordered when someone reports fatigue, weight changes, constipation, anxiety, hair thinning, cold intolerance, heart palpitations, or menstrual changes. TSH is sensitive, widely available, and useful for identifying many cases of primary hypothyroidism and hyperthyroidism. But it is a signal made by […]
Complete Thyroid Panel: What TSH Alone Can Miss
If you’ve ever had your thyroid “checked,” there’s a good chance your lab work came down to one number: thyroid-stimulating hormone, better known as TSH. And if that number came back inside the reference range, you were probably told your thyroid was normal. That might be true. But it might also be incomplete. TSH is […]
