Hashimoto's Thyroiditis: Symptoms & Signs

Medically Reviewed on 4/14/2020

Hashimoto's thyroiditis is an inflammatory condition of the thyroid gland. The thyroid gland function is reduced, leading to hypothyroidism (too low levels of thyroid hormones).

Symptoms and signs of Hashimoto's thyroiditis are similar to those of hypothyroidism in general and are often subtle. These symptoms may mimic the symptoms of many other conditions and may come on slowly. In mild cases, symptoms may not be present. When symptoms do occur, they can include

Causes of Hashimoto's thyroiditis

An autoimmune reaction, in which the body's immune system mistakenly attacks and causes damage to its own tissues, causes Hashimoto's thyroiditis.

Other hashimoto's thyroiditis symptoms and signs


Hyperthyroidism: Symptoms, Treatment, Medication See Slideshow

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Jameson, J. Larry, et al. Harrison's Principles of Internal Medicine, 20th Ed. New York: McGraw-Hill Education, 2018.