Question: I passed a kidney stone a few months ago and my doctor recommended I cut back on dairy products (because of the calcium) to keep from getting another one. I also read that I should eat less protein, but my diet is a high-protein, low-carb diet. What do you recommend?
Dr. Hibberd's answer:
All kidney stone victims are advised to send one of their stones for stone analysis. Most stones are calcium oxalate stones, but other stones of varying content are occasionally found. The stone is collected by straining the urine during its passage.
Dairy products do contain calcium, so reducing calcium content of your diet is commonly recommended. Generally the protein content of your diet should have no direct relationship on your stone formation frequency. Remember to drink plenty of fluids, especially when you plan air flight or exercise. Remember to also avoid soft drinks and excess calcium/vitamin D supplements that may increase stone formation.
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