Subacute Thyroiditis

**Semantic type:** Disease or Syndrome

**Definition:** Self-limited inflammation of the thyroid gland. The clinical course includes an initial phase of hyperthyroidism, followed by a phase of hypothyroidism, and eventually a return to normal thyroid function. This category includes the subacute lymphocytic thyroiditis and subacute granulomatous thyroiditis.

**Synonyms:** - Subacute thyroiditis