Hashimoto Thyroiditis

Updated: Jun 19, 2024
  • Author: Janki Patel, MD; Chief Editor: George T Griffing, MD  more...
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Overview

Practice Essentials

Hashimoto thyroiditis is part of the spectrum of autoimmune thyroid diseases (AITDs) and is characterized by the destruction of thyroid cells by various cell- and antibody-mediated immune processes. This condition is the most common cause of hypothyroidism in the United States in individuals older than 6 years. [1]  The treatment of choice for Hashimoto thyroiditis (or hypothyroidism from any cause) is thyroid hormone replacement. The drug of choice is orally administered levothyroxine sodium, usually for life.

Signs and symptoms of Hashimoto thyroiditis

Hypothyroidism in Hashimoto thyroiditis is usually insidious in onset, with subtle signs and symptoms that may progress to more advanced or even florid signs and symptoms over months to years. The presentation of patients with hypothyroidism may also be subclinical, diagnosed based on routine screening of thyroid function. Such patients may have nonspecific symptoms that are difficult to attribute to thyroid dysfunction. They frequently do not improve with thyroid hormone supplementation.

Early nonspecific symptoms may include the following:

  • Fatigue

  • Constipation

  • Dry skin

  • Weight gain

More advanced/florid symptoms may include the following:

  • Cold intolerance

  • Voice hoarseness and pressure symptoms in the neck from thyroid enlargement

  • Slowed movement and loss of energy

  • Decreased sweating

  • Mild nerve deafness

  • Peripheral neuropathy

 
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