Silent thyroiditis (patient information)
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Assosciate Editor(s)-In-Chief: Prashanth Saddala M.B.B.S
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Silent thyroiditis |
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Overview
Silent thyroiditis is swelling (inflammation) of the thyroid gland, in which the person alternates between hyperthyroidism and hypothyroidism.
What are the symptoms of Silent thyroiditis?
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
- Increased sweating
- Irregular menstrual periods
- Irritability
- Muscle cramps
- Nervousness, restlessness
- Palpitations
- Weakness
- Weight loss
What causes Silent thyroiditis?
The cause of this type of thyroiditis is unknown. The disease affects women more often than men.
Who is at highest risk?
Diagnosis
A physical examination may show:
- Enlarged thyroid gland
- Rapid heart rate
- Shaking hands
Tests may show:
- Decreased radioactive iodine uptake
- Increased blood levels of the thyroid hormones T3 and T4
- White blood cells (lymphocytes) on a thyroid biopsy
When to seek urgent medical care?
Call your health care provider if you have symptoms of this condition.
Treatment options
Treatment is based on symptoms. Beta blockers relieve rapid heart rate and excessive sweating.
Where to find medical care for Silent thyroiditis?
Prevention of Silent thyroiditis
What to expect (Outlook/Prognosis)?
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.