What causes hypothyroidism

Question is about What causes hypothyroidism. When your body fall short of thyroid hormones, it is known as hypothyroidism. If you approach a doctor to know your thyroid levels, he would send you through a blood test to examine it. Hypothyroidism can be detected through blood test by determining your TSH (Thyroid Stimulating Hormone) and T4 (Thyroxine) hormone levels in your blood. Even if your T4 seems to be in the normal range, but TSH appears to be higher, you are with hypothyroidism. It’s for the reason that your thyroid gland is not releasing necessary hormones (T4) for the body to function normally, and so Pituitary gland (in charge of TSH production) is placing an additional effort by producing more TSH to stimulate the thyroid gland. And once you are detected with hypothyroidism, your mind will certainly want to know the grounds for this disorder. When you find out you are hypothyroid, instantaneously you begin to ponder “how did I get this disorder”? This post will give you the details of the potential causes of hypothyroidism.

what causes hypothyroidism

Causes for Hypothyroidism

There can be numerous reasons why your thyroid gland is not secreting the requisite levels of thyroid hormone. So we can ask what causes hypothyroidism? We will explicate the likely causes of hypothyroidism below.

Disorder in the Immune System

Immune system is your warrior that generally fights against illness and infections to protect your body. But sadly, when the same immune system starts sending antibodies against the thyroid gland, it gets damaged and cause hypothyroidism. Hashmito’s disease is supposed to be one of the common types of autoimmune disorder. Also, other immune disorders such as Type 1 diabetes, Vitiligo also cause under active thyroid.

Any other Thyroid treatment in the past

While you had over active thyroid (hyperthyroidism) in the past and treated it, the aftermath effect can result in hypothyroidism. If you had underwent any surgery in the thyroid gland, or if the gland itself was removed by a surgical procedure, or any Radiation around the neck for treating cancer can also cause to low thyroid levels.

Disorder of the Pituitary Gland and Hypothalamus

Unvaryingly Pituitary gland and Hypothalamus are significant in influencing the function of the thyroid gland. Therefore, any disorder or ailment of Pituitary gland or Hypothalamus would hinder the quantity of hormone secretion by thyroid gland. If some one asks what causes hypothyroidism, we can tell this as one of the main reasons.

Medicinal Side effects

When you have been taking some prescribed drugs, for instance, Lithium (for treating depression, bipolar disorder & other mental health problems), Amiodarone (for curing heart rhythm problems) or Interferons (classes of medicine used in treating cancers, viral infections etc) as a later effect, it can also cause hypothyroidism.

Iodine deficit / surplus

Iodine is an essentially needed ingredient in your body to generate thyroid hormones. Thus, iodine deficiency can result in hypothyroidism. In addition to it, shockingly, recent researches have revealed that taking excess of iodine may perhaps also result in subclinical hypothyroidism. So, Iodine deficit also will be one of the answers for what causes hypothyroidism.

Genetic defects/ Hereditary

At times, defect can be in the genes that control the thyroid hormones and consequently that can lay foundation for hypothyroidism. Such defects can be identified at the time of birth or early babyhood. As well, if anyone in your family has got thyroid problems, you may also be expected to get it.


Due to the various hormonal changes during pregnancy, pregnant women, sometimes develop maternal hypothyroidism. Hypothyroidism is most prevalent and common endocrinological ailment that can be treated by substituting the lacking hormones with pills made up of artificial (synthetic) hormones. Regular treatment and proper diet plans will help you for an overall well-being.

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