Case Presentation: A 28-year-old Middle Eastern male, previously diagnosed with Systemic Lupus Erythematosus (SLE) and biopsy-proven Lupus Nephritis at the age of 18 in Egypt, had been managing his condition with a daily dose of mycophenolate mofetil at 250 mg. During a routine clinic follow-up, laboratory tests were conducted, revealing concerning results. His 24-hour urine [...]