A 30-year-old man presents to the ER with fever, malaise, and decreased urine output while taking ibuprofen for back pain. His temperature is 101°F, his blood pressure is 135/85 mm Hg without orthostatic change, and the remainder of his examination is normal. A post-void residual is normal, as is his renal ultrasound. His urine output is estimated at 1.5 L/day. What is the best treatment course?
a) Administering intravenous fluids
b) Discontinuing ibuprofen and prescribing antibiotics
c) Initiating dialysis
d) Recommending bed rest and hydration