Difference b/w Hypothyroidism and Hyperthyroidism

The thyroid is an endocrine gland located in the neck of vertebrate animals, including humans. This gland is responsible for storing, producing and secreting hormones within the bloodstream and thus regulate many of the body’s functions; such as: heart rate, pressure, temperature, metabolism, growth and development of the brain and nervous system.  Difference b/w Hypothyroidism and Hyperthyroidism

Taking into account all the functions related to this gland, it is not difficult to understand why it is important and why problems with it are usually very serious and must be taken with great care.

You’ve probably heard about hypothyroidism and hyperthyroidism. These are two of the main problems that can affect the thyroid. If you want more information about it or don’t know what the difference is between one and the other, keep reading; because we will explain to you below.

HYPERTHYROIDISM Difference b/w Hypothyroidism and Hyperthyroidism

Also known as an overactive thyroid, it occurs when the thyroid gland overproduces thyroid hominess, thereby speeding up the body’s natural functions.

The most common cause of this problem is usually Graves’ disease, an autoimmune disease that is also known as Diffuse Toxic Goiter, but in addition to this there are other possible causes, such as: thyroiditis, iodine deficiency, certain medications and nodules thyroid

Among the most common symptoms that can be observed in people affected by hyperthyroidism are: weight loss and increased appetite, rapid heartbeat, hot and humid skin, fine and soft hair and intolerance to heat.

Hyperthyroidism is less common than hypothyroidism. Only 1% of Americans suffer from this condition. It is more common in women, especially after pregnancy.


On the other hand, as its name implies, hypothyroidism is the opposite of hyperthyroidism. In this case the problem occurs because the thyroid does not secrete enough thyroid hormones, which leads to a decrease or slowdown in natural functions.

The most common cause of hypothyroidism is usually Hashimoto’s disease, also known as Chronic Lymphocytic Thyroiditis. Other causes can be: thyroiditis, excess iodine, some medications, genetic problems and treatments to combat hyperthyroidism.

Hypothyroidism is much more common than hyperthyroidism. It affects about 5% of the population in the United States. Also in this case, it is women who are more likely to present this condition, especially after pregnancy.

Some of the most common symptoms are: weight gain and loss of appetite, bradycardia, thick and dry skin, brittle hair and intolerance to cold.

Key differences between hyperthyroidism and hypothyroidism

  • Hyperthyroidism consists of an overproduction of thyroid hormones, while hypothyroidism occurs when the thyroid does not produce enough hormones.
  • Hypothyroidism is more common than hyperthyroidism.
  • When you have hyperthyroidism you lose weight, when you have hypothyroidism you gain weight.

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