Case Presentation: A 24-year-old Hispanic male with morbid obesity, hypertension, hyperlipidemia, and class IV/V lupus nephritis on immunosuppressive therapy presented with a one-week history of progressive pain, erythema, and swelling in the lower abdomen and extremities. Symptoms included fever, shortness of breath, and diarrhea. Physical examination revealed a tender, erythematous rash with violaceous discoloration over [...]

Case Presentation: A 76-year-old female noted left fourth- and fifth-digit pain on day 12 receiving trimethoprim/sulfamethoxazole (TMP/SMX) and linezolid for purulent collections of Nocardia abscessus complex in the right gluteal and paraspinal muscles. She had a medical history of atrial fibrillation on apixaban, heart failure with preserved ejection fraction, and a history of deceased donor [...]