Most common cause of Thyroiditis is:: (A) Reidl 's Thyroiditis, (B) Subacute Thyroditis, (C) Hashimoto's Thyroiditis, (D) Viral Thyroiditis
Answer is C. Answer is C (Hashimoto's Thyroiditis) Hashimotas thyroiditis, also called chronic lymphocytic thyroiditis, is the most common firm of thyroiditis.