Advise Limiting Colas to Reduce the Risk of Kidney Stones
You'll get questions about how to prevent kidney stones.
Calcium stones...especially calcium oxalate stones...account for about 80% of kidney stones. And about 50% of patients with a first kidney stone will have another within 5 years without any treatment.
Emphasize dietary changes first. Suggest aiming for twelve 8-oz glasses of liquid/day...or enough to produce ≥ 2 L/day of urine.