Case Presentation: We present a 79-year-old female treated with hydralazine for essential hypertension who initially presented to her primary care office with non-specific complaints of malaise, chills and unintentional weight loss. Routine laboratory evaluation was performed indicating a substantial rise from the patient’s baseline creatinine of 0.86mg/dL to 2.15mg/dL. Follow-up labs indicated continued worsening of [...]