What approaches do you take for your patients with nephrolithiasis who undergo intermittent fasting for cultural, religious, or personal reasons?

Assuming "fasting" does not prohibit the intake of water, I encourage my patients to continue drinking water frequently, ideally at least 2 L daily, as that is the minimum amount shown in previous studies to decrease kidney stone passage.

If fasting is intermittent and includes all fluids, I encoura...