Sunday 23 October 2016

Hypothyroidism. When The Thyroid No Longer Functions.

The thyroid is a gland located in the anterior part of the neck; it is in the shape of a butterfly and is the engine that gives energy to our body due to the hormones that it produces.
Hypothyroidism can occur due to a lack of iodine, or because the thyroid has been eliminated due to autoimmune diseases, surgery, medications, etc.
According to the American Thyroid Association, 40% of the world’s population suffers hypothyroidism due to a lack of iodine.
Autoimmune Hypothyroidism occurs when our own body’s defences attack the thyroid. 3% of the word’s population suffer from this pathology, and is predominantly found in middle-aged adults, especially women.
Hypothyroidism is the congenital pathology most commonly found in newborns, and is something that will be further explored in another article along with subclinical hypothyroidism and hypothyroidism in pregnant women.

Symptoms of hypothyroidism
Even though there are number of symptoms that can also be found in other pathologies, the main ones are:
  • Tiredness, weakness and a lack of energy.
  • Sleeping more than usual.
  • Constipation.
  • Hair loss in the edges of the eyebrows and in the temples.
  • Feeling colder than usual.
  • Gaining weight easily.
  • Skin that is dry and rough.
  • Bloated face.
  • Loss of memory and concentration.
  • Depression.
  • Irregular periods.
  • A decrease of libido in both men and women.
  • A slower heart rate.
  • An emergence of a goiter or inflammation of the thyroid in the neck (when the gland is swollen). 
  • An emergence (in some cases) of other autoimmune diseases such as Diabetes Type 1, Lupus, etc.

In terms of blood tests, an increase in cholesterol levels takes place; there is also a possibility of suffering from anaemia and an increment in inflammatory markers, etc.

The diagnosis is easy as only a blood test would be needed to determine whether or not the thyroid hormones are altered.

Due to the common occurrence of this pathology, the American Thyroid Association recommends that people over the age of 35, along with pregnant women and patients that have family members that have suffered from this pathology in the past, to undertake regular tests to check the levels of the thyroid hormones.

The treatment will vary depending on whether if it is caused for a lack of iodine, which will be the responsibility of Governments to ensure that iodine is added to different foods, or through the individualized use of iodized salt when cooking.
And a treatment of Thyroxine would be prescribed by a doctor in the case of Autoimmune Hypothyroidism and would last during their lifetime.

Dr J. Hurtado Martínez
Medical Director of HealthSalus

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