Thyroiditis is inflammation of the thyroid, which can cause malfunction of the gland resulting in hypothyroidism or hyperthyroidism. It is usually associated with other disorders caused by a weak immune system. There are different types of thyroiditis as the cause that causes: chronic thyroiditis or acute thyroiditis. Hashimoto's thyroiditis, known as chronic thyroiditis, is an autoimmune origin and can cause hypothyroidism, with symptoms such as pain in the thyroid and difficulty swallowing. They also tend to suffer it middle-aged women and may be hereditary. Moreover, acute thyroiditis is produced by bacteria and causes abscess thyroid area.