Coffee and Tea Consumption — Risk for Urolithiasis

Epidemiology of urolithiasis in Pakistan

“…There is a very high consumption of tea in Pakistan in office workers, though tea is taken with milk. Tea in excess of 4 cups can raise urinary oxalate levels significantly and when 20 g powdered tea is utilized, oxalate excretion can increase to 148 mg124 h [34].…”