Methods for treating and/or preventing at least one symptom of a disorder associated with oxidative stress, carbonyl stress, or combinations thereof in a subject. In some embodiments, the methods include administering to the subject an effective amount of pyridoxamine, an analog or derivative thereof, or a pharmaceutically acceptable salt of any of the foregoing. Also provided are methods for treating or preventing a nephropathy, acute renal injury, acute renal failure, or combinations thereof in a subject, and formulations adapted for intravenous administration comprising pyridoxamine, an analog or derivative thereof, or a pharmaceutically acceptable salt of any of the foregoing.