Lymphocytic thyroiditis; Subacute lymphocytic thyroiditis; Painless thyroiditis; Thyroiditis – silent
Causes, incidence, and risk factors
The cause of this type of
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:
Fatigue Frequent bowel movements Heat intolerance Increased appetite
- Irregular menstrual periods
- Weight loss
Signs and tests
Enlarged thyroid gland
Rapid heart rate
Tests may show:
radioactive iodine uptake
Increased blood levels of the thyroid hormones
White blood cells (lymphocytes) on a thyroid biopsy
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
Some people may develop hypothyroidism over time. Regular follow-ups with a doctor are recommended.
Calling your health care provider
Call your health care provider if you have symptoms of this condition.