Endocrinology & Diabetology
Thyroid function test
Blood tests (TSH, T3, T4) that check whether the thyroid gland is over- or under-active.
When this is typically needed
- Unexplained weight change
- Fatigue or feeling unusually cold/hot
- Hair thinning
- Irregular periods
What it involves
A blood draw, interpreted alongside symptoms to diagnose hypo- or hyperthyroidism.
What to expect
If abnormal, thyroid medication usually brings levels back to normal, monitored with repeat testing.
This page is educational information, not medical advice or a diagnosis. Every case is different — talk to a qualified, verified doctor about your specific symptoms and situation before making treatment decisions.
For patients
Verified doctors for thyroid function test
Search all 0 endocrinology & diabetology doctorsMore in Endocrinology & Diabetology