Thyroiditis is an inflammation of the thyroid gland. It may be painful and tender when caused by an infection or trauma, or painless when caused by an autoimmune condition or medications.

There are several types of thyroiditis. The most common forms are:

Most forms of thyroiditis result in 3 phases:

When the thyroid is inflamed, it often releases too much thyroid hormone, causing hyperthyroidism. Then, when there is no more thyroid hormone to release, the body does not have enough, causing hypothyroidism.

Young to middle aged women are at the greatest risk. However, some forms of thyroiditis happen in both men and women of all ages. Sometimes, you may develop hypothyroidism years later, even if the thyroiditis was treated.

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Review Date: 6/2/2016  

Reviewed By: Steven D. Ehrlich, NMD, Solutions Acupuncture, a private practice specializing in complementary and alternative medicine, Phoenix, AZ. Review provided by VeriMed Healthcare Network.

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