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Thyroiditis
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<h2 id="types">Types</h2> <p><a href="/facts/Hashimoto%27s_thyroiditis/myBntJv5">Hashimoto's thyroiditis</a> is an <a href="/facts/Autoimmune_disease/sojBeQ7t">autoimmune disease</a> where the body creates <a href="/facts/Thyroid_antibody/6j71eQUv">thyroid antibodies</a>. It presents with <a href="/facts/Hypothyroidism/oqtQDu2F">hypothyroidism</a> due to the destruction of thyroid cells.<a class="footnote-ref" id="fnref:2" href="#fn:2"><sup>2</sup></a> In Hashimoto's thyroiditis, the hypothyroidism is most often permanent, with symptoms are fatigue, weight gain, depression, dry skin, and constipation.<a class="footnote-ref" id="fnref:3" href="#fn:3"><sup>3</sup></a> <a href="/facts/Levothyroxine/AarfgbeG">Thyroid hormone replacement</a> is the treatment of <a href="/facts/Hypothyroidism/oqtQDu2F">hypothyroidism</a>.<a class="footnote-ref" id="fnref:4" href="#fn:4"><sup>4</sup></a> </p><p><a href="/facts/Silent_thyroiditis/yAuNyAI5">Silent thyroiditis</a> or painless thyroiditis, also called subacute lymphocytic thyroiditis,<a class="footnote-ref" id="fnref:5" href="#fn:5"><sup>5</sup></a> is a form of <a href="/facts/Subacute_thyroiditis/MWsKqCqF">subacute thyroiditis</a> with a self-limiting course of temporary <a href="/facts/Hyperthyroidism/H9Eqmbgk">hyperthyroidism</a> followed by temporary <a href="/facts/Hypothyroidism/oqtQDu2F">hypothyroidism</a> before return to normal thyroid function within months.<a class="footnote-ref" id="fnref:6" href="#fn:6"><sup>6</sup></a><a class="footnote-ref" id="fnref:7" href="#fn:7"><sup>7</sup></a> Elevated levels of <a href="/facts/Thyroid_hormones/9k4xJtCq">thyroid hormones</a> in the bloodstream, called <a href="/facts/Hyperthyroidism/H9Eqmbgk">hyperthyroidism</a>, is in thyroiditis due to leakage of thyroid hormones from damaged thyroid cells into the bloodstream.<a class="footnote-ref" id="fnref:8" href="#fn:8"><sup>8</sup></a> Symptoms of hyperthyroidism include weight loss, irritability, anxiety, insomnia, fast heart rate, and fatigue.<a class="footnote-ref" id="fnref:9" href="#fn:9"><sup>9</sup></a> </p><p><a href="/facts/Postpartum_thyroiditis/udHIBGkD">Postpartum thyroiditis</a> is when <a href="/facts/Silent_thyroiditis/yAuNyAI5">silent thyroiditis</a> occurs <a href="/facts/Postpartum_period/abLj2JtY">within 6 months after delivery (postpartum)</a>.<a class="footnote-ref" id="fnref:10" href="#fn:10"><sup>10</sup></a> </p><p><a href="/facts/De_Quervain%27s_thyroiditis/m5LJAVs7">de Quervain's thyroiditis</a>, also called subacute granulomatous thyroiditis, is a form of <a href="/facts/Subacute_thyroiditis/MWsKqCqF">subacute thyroiditis</a> presenting with a painful thyroid and a self-limiting course of temporary <a href="/facts/Hyperthyroidism/H9Eqmbgk">hyperthyroidism</a> followed by temporary <a href="/facts/Hypothyroidism/oqtQDu2F">hypothyroidism</a> before return to normal thyroid function within months.<a class="footnote-ref" id="fnref:11" href="#fn:11"><sup>11</sup></a> It is possibly caused by a <a href="/facts/Viral_disease/F1Tth6qP">viral infection</a>.<a class="footnote-ref" id="fnref:12" href="#fn:12"><sup>12</sup></a> </p><p>Drug-induced thyroiditis may be caused by some drugs, such as <a href="/facts/Lithium_(medication)/G6Gy0nJU">lithium</a>, <a href="/facts/Amiodarone_induced_thyrotoxicosis/K94ArawC">amiodarone</a>, <a href="/facts/Interferon/63XfwpEh">interferon</a> treatment, and <a href="/facts/Cancer_immunotherapy/0QKPeh5x">immune check point inhibitors</a>, and resolves after discontinuation of the drug.<a class="footnote-ref" id="fnref:13" href="#fn:13"><sup>13</sup></a> </p><p><a href="/facts/Radiation-induced_thyroiditis/8xqMJMX1">Radiation-induced thyroiditis</a> occurs after treatment with <a href="/facts/Radioactive_iodine_therapy/cMvRbKfK">radioactive iodine therapy</a> or <a href="/facts/Radiation_therapy/j60q5EC6">radiation therapy</a> of the thyroid area and often results in permanent hypothyroidism.<a class="footnote-ref" id="fnref:14" href="#fn:14"><sup>14</sup></a> </p><p><a href="/facts/Acute_thyroiditis/MkwE10cy">Acute thyroiditis</a>, or suppurative thyroiditis, is a rare form of infectious thyroiditis most often caused by bacteria, which may cause severe illness.<a class="footnote-ref" id="fnref:15" href="#fn:15"><sup>15</sup></a> </p><p><a href="/facts/Riedel%27s_thyroiditis/l3yoNseC">Riedel's thyroiditis</a>, inflammation in which the thyroid tissue is replaced by fibrous tissue which can extend to neighbouring structures, is associated with <a href="/facts/IgG4-related_systemic_disease/LBpERebk">IgG4-related systemic disease</a> in which symptoms of autoimmune pancreatitis, retroperitoneal fibrosis and noninfectious aortitis also occur.<a class="footnote-ref" id="fnref:16" href="#fn:16"><sup>16</sup></a> </p> <h2 id="epidemiology">Epidemiology</h2> <p>Most types of thyroiditis are three to five times more likely to be found in women than in men. The average age of onset is between thirty and fifty years of age.<a class="footnote-ref" id="fnref:17" href="#fn:17"><sup>17</sup></a> </p> <h2 id="external-links">External links</h2> <ul><li><a href="http://www.thyroid.org/what-is-thyroiditis/">American Thyroid Association, "What is Thyroiditis"</a></li></ul> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>"Thyroiditis" (en). www.thyroid.org. American Thyroid Association. 2018. <a href="http://www.thyroid.org/wp-content/uploads/patients/brochures/Thyroiditis.pdf" target="_blank">http://www.thyroid.org/wp-content/uploads/patients/brochures/Thyroiditis.pdf</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>De Groot LJ, Nobuyuki A, Takashi A (1 January 2012). "Hashimoto's Thryoiditis". TDM. Thyroid Disease Manager. Archived from the original on 7 June 2012. <a href="https://web.archive.org/web/20120607200748/http://www.thyroidmanager.org/chapter/hashimotos-thyroiditis" target="_blank">https://web.archive.org/web/20120607200748/http://www.thyroidmanager.org/chapter/hashimotos-thyroiditis</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>"Thyroiditis" (en). www.thyroid.org. American Thyroid Association. 2018. <a href="http://www.thyroid.org/wp-content/uploads/patients/brochures/Thyroiditis.pdf" target="_blank">http://www.thyroid.org/wp-content/uploads/patients/brochures/Thyroiditis.pdf</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> <li id="fn:4"><p>Patel DS (June 2023). "Thyroiditis". Familydoctor.org. American Academy of Family Physicians. <a href="https://familydoctor.org/condition/thyroiditis/" target="_blank">https://familydoctor.org/condition/thyroiditis/</a> <a href="#fnref:4" class="footnote-back-ref">↩</a></p></li> <li id="fn:5"><p>"Silent thyroiditis". MedlinePlus Medical Encyclopedia. 28 February 2024. <a href="https://medlineplus.gov/ency/article/000388.htm" target="_blank">https://medlineplus.gov/ency/article/000388.htm</a> <a href="#fnref:5" class="footnote-back-ref">↩</a></p></li> <li id="fn:6"><p>"Thyroiditis" (en). www.thyroid.org. American Thyroid Association. 2018. <a href="http://www.thyroid.org/wp-content/uploads/patients/brochures/Thyroiditis.pdf" target="_blank">http://www.thyroid.org/wp-content/uploads/patients/brochures/Thyroiditis.pdf</a> <a href="#fnref:6" class="footnote-back-ref">↩</a></p></li> <li id="fn:7"><p>De Groot LJ, Nobuyuki A, Takashi A (1 January 2012). "Hashimoto's Thryoiditis". TDM. Thyroid Disease Manager. Archived from the original on 7 June 2012. <a href="https://web.archive.org/web/20120607200748/http://www.thyroidmanager.org/chapter/hashimotos-thyroiditis" target="_blank">https://web.archive.org/web/20120607200748/http://www.thyroidmanager.org/chapter/hashimotos-thyroiditis</a> <a href="#fnref:7" class="footnote-back-ref">↩</a></p></li> <li id="fn:8"><p>Patel DS (June 2023). "Thyroiditis". Familydoctor.org. American Academy of Family Physicians. <a href="https://familydoctor.org/condition/thyroiditis/" target="_blank">https://familydoctor.org/condition/thyroiditis/</a> <a href="#fnref:8" class="footnote-back-ref">↩</a></p></li> <li id="fn:9"><p>Patel DS (June 2023). "Thyroiditis". Familydoctor.org. American Academy of Family Physicians. <a href="https://familydoctor.org/condition/thyroiditis/" target="_blank">https://familydoctor.org/condition/thyroiditis/</a> <a href="#fnref:9" class="footnote-back-ref">↩</a></p></li> <li id="fn:10"><p>De Groot LJ, Nobuyuki A, Takashi A (1 January 2012). "Hashimoto's Thryoiditis". TDM. Thyroid Disease Manager. Archived from the original on 7 June 2012. <a href="https://web.archive.org/web/20120607200748/http://www.thyroidmanager.org/chapter/hashimotos-thyroiditis" target="_blank">https://web.archive.org/web/20120607200748/http://www.thyroidmanager.org/chapter/hashimotos-thyroiditis</a> <a href="#fnref:10" class="footnote-back-ref">↩</a></p></li> <li id="fn:11"><p>"Thyroiditis" (en). www.thyroid.org. American Thyroid Association. 2018. <a href="http://www.thyroid.org/wp-content/uploads/patients/brochures/Thyroiditis.pdf" target="_blank">http://www.thyroid.org/wp-content/uploads/patients/brochures/Thyroiditis.pdf</a> <a href="#fnref:11" class="footnote-back-ref">↩</a></p></li> <li id="fn:12"><p>"Thyroiditis" (en). www.thyroid.org. American Thyroid Association. 2018. <a href="http://www.thyroid.org/wp-content/uploads/patients/brochures/Thyroiditis.pdf" target="_blank">http://www.thyroid.org/wp-content/uploads/patients/brochures/Thyroiditis.pdf</a> <a href="#fnref:12" class="footnote-back-ref">↩</a></p></li> <li id="fn:13"><p>Patel DS (June 2023). "Thyroiditis". Familydoctor.org. American Academy of Family Physicians. <a href="https://familydoctor.org/condition/thyroiditis/" target="_blank">https://familydoctor.org/condition/thyroiditis/</a> <a href="#fnref:13" class="footnote-back-ref">↩</a></p></li> <li id="fn:14"><p>"Thyroiditis" (en). www.thyroid.org. American Thyroid Association. 2018. <a href="http://www.thyroid.org/wp-content/uploads/patients/brochures/Thyroiditis.pdf" target="_blank">http://www.thyroid.org/wp-content/uploads/patients/brochures/Thyroiditis.pdf</a> <a href="#fnref:14" class="footnote-back-ref">↩</a></p></li> <li id="fn:15"><p>"Thyroiditis" (en). www.thyroid.org. American Thyroid Association. 2018. <a href="http://www.thyroid.org/wp-content/uploads/patients/brochures/Thyroiditis.pdf" target="_blank">http://www.thyroid.org/wp-content/uploads/patients/brochures/Thyroiditis.pdf</a> <a href="#fnref:15" class="footnote-back-ref">↩</a></p></li> <li id="fn:16"><p>De Groot LJ, Nobuyuki A, Takashi A (1 January 2012). "Hashimoto's Thryoiditis". TDM. Thyroid Disease Manager. Archived from the original on 7 June 2012. <a href="https://web.archive.org/web/20120607200748/http://www.thyroidmanager.org/chapter/hashimotos-thyroiditis" target="_blank">https://web.archive.org/web/20120607200748/http://www.thyroidmanager.org/chapter/hashimotos-thyroiditis</a> <a href="#fnref:16" class="footnote-back-ref">↩</a></p></li> <li id="fn:17"><p>Patel DS (June 2023). "Thyroiditis". Familydoctor.org. American Academy of Family Physicians. <a href="https://familydoctor.org/condition/thyroiditis/" target="_blank">https://familydoctor.org/condition/thyroiditis/</a> <a href="#fnref:17" class="footnote-back-ref">↩</a></p></li> </ol>