Case Presentation: A 50-year-old Latin-American woman with a history of hyperthyroidism presented to the ED with migrating polyarthralgias and fever for several days. 3 months prior, patient began experiencing stiffness, joint pains, fatigue, and palpitations. She was ultimately diagnosed with hyperthyroidism and started on Methimazole 1 month prior to current presentation. Patient presented to the [...]