What is hypothyroidism?
Hypothyroidism is a condition that occurs when the thyroid gland doesn’t produce enough of the hormone thyroxine (or T4). This is also known as having an underactive thyroid.
Hypothyroidism is a different condition to hyperthyroidism. With hypothyroidism the thyroid gland doesn’t produce enough hormones, whereas with hyperthyroidism (also known as overactive thyroid) the gland produces more than the body needs.
Hypothyroidism occurs most commonly in women, particularly those between the ages of 40 and 50. Women are 10 times more likely to have the condition than men. It often occurs around the same time as menopause, meaning the symptoms can often be overlooked or attributed to menopause instead.
What causes hypothyroidism?
Much of the time, hypothyroidism is caused by the immune system attacking and damaging the thyroid gland. It is also caused by damage resulting from treatments for thyroid cancer or an overactive thyroid. Some of the main causes of an underactive thyroid include:
● An autoimmune disease called Hashimoto’s disease
● Pituitary or hypothalamic failure
● Genetic dysfunction
● Thyroid surgery or radioactive iodine treatment
● Treatment for hyperthyroidism
How can I treat hypothyroidism?
Hypothyroidism treatment options
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