Coffee, colas and ice tea can trigger a kidney stone if you are prone to developing the pesky mineral deposits, which cause pain when lodged in the urinary tract. Limit your consumption of caffeinated drinks to one or two a day, and drink plenty of water to flush small stones out when you urinate. South County Urological physicians usually note an uptick in kidney stones in warm months when people reach for and drink more caffeinated drinks. Quench your thirst with water.