Thyroxine – Free

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Brief Overview

A test of Thyroxine Free helps to determine any disorders of Thyroid. This test measures the level of T4 in your blood.

What is Thyroxine – Free?

Thyroxine Free enters the body tissue where it is needed.

A test of Thyroxine Free is considered more accurate than Thyroxine Total. This test helps to determine thyroid functions.These thyroid glands makes hormones that regulate the method in which our body uses energy. These hormones are highly responsible for muscle strength, body temperature, mood etc.

Why is Thyroxine – Free suggested?

A test of thyroxine Free is suggested to patients suffering from:

  • Weight gain or loss.
  • Anxiety
  • Tiredness
  • Constipation
  • Puffing of the eyes.
  • Hair loss.


What are the parameters used in Thyroxine – Free?

The average level of Thyroxine Free ranges between 0.7-1.9 ng/dl.

Preparation before performing Thyroxine – Free

There are no specific steps to be followed before Thyroxine Free. However you must follow any instructions provided by the doctor.

Post Care after Thyroxine – Free

After the blood has been drawn for Thyroxine Free, you can follow these steps to reduce the pain:

  • Ice compressors.
  • Pain killers.

Sample types in Thyroxine – Free

The test of Thyroxine Free requires blood samples.

Side effects/risks of Thyroxine – Free

The only risks involved in the test of  Thyroxine Free are related with the injections used to draw out blood. Some of them involve:

  • Pain or swell.
  • Fainting
  • Lightheadedness

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