Thyroiditis

Acute

• bacterial infection ( rare in U.S. except postsurgical), typically Staph/Strep spp.

Subacute

transient thyrotoxicosis → transient hypothyroidism → normal thyroid fxn

Painful (viral, granulomatous or de Quervain’s): fever, ↑ ESR; Rx = NSAIDs, ASA, steroids

Silent (postpartum, autoimmune including Hashimoto’s, or lymphocytic): painless, ⊕ TPO Abs; if postpartum, can recur with subsequent pregnancies

Other: meds (amiodarone, lithium, TKIs, ICIs), palpation thyroiditis, post-radiation