could be renal calculi
These following steps may help: - Drink 3 liters of water per day - Reduce your intake of dietary sodium. eg: Salted snacks, Prepared salad dressings, mustard, ketchup, pickled foods, olives, etc - Reduce your intake of animal protein such as meat, poultry, fish, and eggs. - Maintain proper
calcium intake from food or calcium supplements. - Avoid food such as spinach, rhubarb, strawberries, chocolate, wheat bran, nuts, beets and brewed tea. - Exercise regularly (minimum 30mins)