what causes underactive thyroid

These fluctuations can occur as your thyroid disease progresses. The most common cause of hypothyroidism in Australia is Hashimotos disease or thyroiditis.

Thyroid Symptoms To Check With Your Doctor Livi

It can be a side effect or complication.

. Though some people may intentionally. Previous thyroid treatment can also cause an underactive thyroid. Hypothyroidism is a common condition where the thyroid doesnt create and release enough thyroid hormone into your bloodstream. Common causes of an underactive thyroid include autoimmune disease operations or radioiodine treatment to your thyroid medicines such as lithium or amiodarone iodine deficiency or.

If your thyroid cant secrete enough hormones into your. Radiation therapy over the. The thyroid gland in our neck makes a hormone called thyroid hormone that travels throughout the body and affects every cell. Hypothyroidism or underactive thyroid is when the thyroid gland does not produce enough hormones.

However iodine deficiency is uncommon in. A primary cause is a condition that directly impacts the thyroid and causes it to create low levels of thyroid hormones. Viral infections common cold or other respiratory infections. Viral infections or presence of autoimmune conditions can often cause thyroiditis which can cause your thyroid to be underactive.

An underactive thyroid can often be successfully treated by taking daily hormone tablets to replace the hormones your thyroid is not making. This makes your metabolism slow down. Worldwide a lack of dietary iodine is a common cause of an underactive thyroid because the body needs iodine to make thyroxine. What causes hypothyroidism underactive thyroid.

This is an autoimmune disease that occurs. Hypothyroidism can have a primary cause or a secondary cause. The immune system attacking the thyroid gland. This can happen during surgery or treatment such as radioactive iodine therapy.

But other factors such as hormonal changes and medication variations or significant weight gain or loss can. Ironically the most common cause of hypothyroidism occurs when the thyroid cells come under attack from the bodys immune. It is when your thyroid gland becomes underactive and cannot produce enough hormones to regulate your metabolism. The most common reason a person with hypothyroidism may develop hyperthyroidism is too much thyroid hormone medicine.

Low levels of thyroid hormones can cause a wide range of symptoms. First whats an underactive thyroid. Hypothyroidism means that the thyroid gland cant make enough thyroid hormone to keep the body running normally. The most common reason behind an underactive thyroid hypothyroidism is an autoimmune disease where the body attacks the thyroid thinking it is made up of foreign.

An underactive thyroid gland hypothyroidism is more common among elderly people especially women and affects 15 to 2 per cent of people over the age of 60 years. Hypothyroidism is an underactive thyroid gland. Theres no way of preventing an underactive. Pregnancy often called postpartum thyroiditis Other causes of.

Possibly more common is absent or infrequent menstruation which can occur from the possible increase in thyrotropin-releasing hormone TRH in those with underactive thyroid function. What causes an underactive thyroid.