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Alternative names Return to top
Lymphocytic thyroiditis; Subacute lymphocytic thyroiditisDefinition Return to top
Painless (silent) thyoiditis is an inflammation of the thyroid gland characterized by transient hyperthyroidism, followed by hypothyroidism and then recovery.Causes, incidence, and risk factors Return to top
The cause of this type of thyroiditis is unknown. The thyroid gland becomes infiltrated with lymphocytes (a type of white blood cell).
The disease affects women more often than men and usually develops in people between age 13 and 80. The symptoms are those of hyperthyroidism (overactivity of the thyroid gland) and may last for 3 months or less.
Symptoms Return to top
Symptoms in painless thyroiditis are usually mild. Most symptoms are due to hyperthyroidism and may include:
Signs and tests Return to top
A physical examination reveals an enlarged thyroid gland. The pulse (heart rate) may be rapid and the hands may shake.Treatment Return to top
Treatment is based on symptoms. Beta-blockers (Propranolol and others) relieve rapid heart rate and excessive sweating. Generally, painless thyroiditis will resolve on its own in time.Expectations (prognosis) Return to top
The disease is usually resolved within 1 year, with the acute phase ending in 3 months. Some people may develop hypothyroidism over time, so regular follow-up is recommended.Complications Return to top
Calling your health care provider Return to top
Call your health care provider if symptoms of this disorder develop.
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Page last updated: 28 October 2004 |