A 60-year-old woman presents with a maculopapular rash, fever, and fatigue and reports decreased urine output. Laboratory tests reveal a serum creatinine level of 3.5 mg/dL (baseline, 1.0 mg/dL). She has peripheral eosinophilia, and urine eosinophils are detected.
Her history is notable for antibiotic exposure for the past two weeks for refractory sinusitis. What is the next most appropriate step to manage this patient? (Answer is posted in the comment section below!) *This patient case is from the Editorial Team of Docplexus and is meant for educational purposes only.
