E06.1

Clinical Causes: Recent viral infections, such as influenza or mumps Autoimmune reactions, although less common Environmental factors triggering immune response Genetic predisposition in some cases

Key Symptoms: Painful swelling in the front of the neck Thyroid tenderness that worsens with swallowing or movement Flu-like symptoms including fever and malaise Elevated heart rate and sweating Fatigue and muscle aches Temporary hyperthyroidism symptoms such as nervousness or heat intolerance, followed by hypothyroidism in later stages

Diagnosis Path: Diagnosis is based on a combination of clinical evaluation, detection of symptoms, and laboratory tests. Blood tests typically show elevated markers of inflammation such as ESR (erythrocyte sedimentation rate) and CRP (C-reactive protein). Thyroid function tests may reveal initial hyperthyroidism, transforming into hypothyroidism as the condition progresses. Imaging studies like ultrasound can help visualize thyroid inflammation. In some cases, a thyroid biopsy is performed to rule out other conditions.

Treatment Protocols: Management of subacute thyroiditis focuses on relieving symptoms and controlling inflammation. Common approaches include: - Nonsteroidal anti-inflammatory drugs (NSAIDs) for pain and inflammation - Corticosteroids in more severe cases - Beta-blockers to manage heart-related symptoms during hyperthyroid phase - Monitoring thyroid function regularly, as the condition is usually self-limited - Supportive care such as rest and hydration Most individuals recover fully within a few months, although some may experience lasting thyroid dysfunction requiring long-term management.