Silent thyroiditis is swelling (inflammation) of the thyroid gland, in which the person alternates between hyperthyroidism and hypothyroidism.
The cause of this type of thyroiditis is unknown. The disease affects women more often than men.
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.
Symptoms are usually mild and may include:
A physical examination may show:
Tests may show:
Treatment is based on symptoms. Beta-blockers relieve rapid heart rate and excessive sweating.
Generally, silent thyroiditis will go away on its own within 1 year. The acute phase will end within 3 months.
Some people may develop hypothyroidism over time. Regular follow-ups with a doctor are recommended.
Call your health care provider if you have symptoms of this condition.
Lymphocytic thyroiditis; Subacute lymphocytic thyroiditis; Painless thyroiditis; Thyroiditis - silent