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, Furqan M M. M.B.B.S[2]
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Silent thyroiditis |
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Silent thyroiditis On the Web |
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Overview
Silent thyroiditis is an 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?
Common risk factors in the development of silent thyroiditis include lithium, radiation therapy in Hodgkin's lymphoma, certain autoimmune conditions such as SLE and lymphocytic hypophysitis.
Diagnosis
A physical examination may show:
- 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 healthcare provider if you have symptoms of this condition.
Treatment options
Treatment is based on symptoms. Beta-blockers relieve rapid heart rate and excessive sweating.
Prevention of Silent thyroiditis
There are no preventive methods for silent thyroiditis.
What to expect (Outlook/Prognosis)?
Generally, the prognosis of silent thyroiditis is good. The acute phase ends within 3 months.
- Some people may develop hypothyroidism over time. Regular follow-ups with a doctor are recommended.