Thyroid hormone blood test (full profile)


  • Results within 24 hours

  • Blood draw included

This blood test screens for the hormones TSH, FT3 and FT4 and can detect whether or not the thyroid is functioning properly. It aids in the identification of hypothyroidism and hyperthyroidism. The test may also be used to aid in the evaluation of someone with with an enlarged thyroid gland.

What are the symptoms of an underactive thyroid?

The common symptoms of an underactive thyroid (hypothyroidism) include feeling tired, gaining weight and feelings of depression. Symptoms of underactive thyroid usually develop slowly and can go unnoticed for many years. It is also common for symptoms to be confused with other conditions. The only way to truly know if your thyroid is not functioning properly is with a thyroid hormone blood test.

If you have the following symptoms then it is possible that you may have an underactive thyroid and would benefit from this test:

  • Tiredness
  • Weight gain
  • Depression
  • Aching muscles
  • Cold sensitivity
  • Dry hair and skin

What are the symptoms of an overactive thyroid?

If you have an overactive thyroid (hyperthyroidism) then your thyroid gland over produces thyroid hormones which can cause a wide range of unpleasant symptoms. Overactive thyroid is more common in women than men but anyone can be effected. The only way to know if you do have an overactive thyroid is to have a blood test such as this one.

If you have the following symptoms, it may be worth considering a thyroid test to find out if this is causing your symptoms:

  • Finding it hard to sleep
  • Irritability and mood swings
  • Heat sensitivity
  • Chronic tiredness
  • Weakness
  • Unusually fast heart rate
  • Trembling
  • Unusual weight loss
  • Neck swelling