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Everything you need to Know about TSH Blood Test

18.09.2018 Posted By : Dr. Ashok Rattan Share :
TSH Blood Test

TSH (Thyroid Stimulating Hormone) is a hormone which is made in the pituitary gland located near the underside of the brain, and is responsible for stimulating the metabolism of most of the tissues in the body. The thyroid is a small gland that is located near the throat and helps in making hormones which the body uses for regulating energy usage. This hormone plays a very important role in regulating a person’s body temperature, weight and muscle strength.

The pituitary gland helps in maintaining the level of TSH in the body depending on whether the thyroid levels are high or low. An abnormality in the level of thyroid indicates that there’s something wrong with the thyroid.

Generally, a TSH test is conducted to determine whether the thyroid is functioning properly or not.

Who Needs a TSH Blood Test?

People with excess thyroid hormone (Hyperthyroidism) or too low thyroid hormone (Hypothyroidism) are ideal candidates for a thyroid test.

Symptoms of Hyperthyroidism

Some of the common symptoms of hyperthyroidism include:

  • Anxiety
  • Weight loss
  • Problems sleeping
  • Increase in heart rate
  • Swelling in eyes

Symptoms of Hypothyroidism

Few conditions that give an indication of hypothyroidism include:

  • Dizziness
  • Hair fall or hair loss
  • Irregularity in menstrual periods
  • Constipation
  • Feeling cold
  • Weight gain

 

How the Blood Sample is collected to Check your TSH Level?

The blood sample is collected by a medical professional at a pathlab by injecting a needle in a vein in your arm. You can also use the blood sample collection from home facility offered by some top pathology labs. The process is usually very fast and doesn’t take more than 5 minutes to finish.

What to do Before Appearing for a TSH Test?

While there are no specific instructions as such which need to be followed before a TSH blood test, consulting your doctor is always a good practice before going for any blood test. The doctor will also let you know if there are any other tests required besides the TSH test.

Does the Test have any Side-effects?

Apart from a little pain or irritation at the point of injection, there are no side-effects associated with the test.

The usual suspects of a thyroid irregularity are pregnant women as their body is changing at a very fast rate. If you have been suffering from thyroid conditions or have a history of thyroid disease, then it’s always ideal to get a pathology lab test done.

 

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