Silent thyroiditis

Alternative Names

Lymphocytic thyroiditis; Subacute lymphocytic thyroiditis; Painless thyroiditis; Thyroiditis – silent

Definition of Silent thyroiditis

Silent thyroiditis is swelling (inflammation) of the thyroid gland, in which the person alternates between and .

Causes, incidence, and risk factors

The cause of this type of thyroiditis is unknown. The disease affects women more often than men.

Symptoms

The earliest symptoms result from an overactive thyroid gland (hyperthyroidism). These symptoms may last for 3 months or fewer. Later symptoms may be of an underactive thyroid (including fatigue and cold intolerance) until the thyroid recovers.

Signs and tests

A physical examination may show:

Treatment

Treatment is based on symptoms. Beta-blockers relieve rapid heart rate and excessive sweating.

Expectations (prognosis)

Generally, silent thyroiditis will go away on its own within 1 year. The acute phase will end within 3 months.

Review

Ari S. Eckman, MD, Division of Endocrinology and Metabolism, Johns Hopkins School of Medicine, Baltimore, MD. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc. – 4/19/2010

Thyroid gland

ADAM Medical Encyclopedia

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