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Diet for Kidney Stones

Diet Tips To Avoid Stones – Dr Mayank Agrawal

Diet Tips To Avoid Stones  - Dr Mayank Agrawal

Diet has a major role to play in occurrence and recurrence of stone disease. The following precautions will help you decrease chances of recurrence.


  • Increase water intake for a urine output of 2 to 2.5 liter / day is one of the most important and the least expensive form of conservative measure to reduce stone recurrence.

    Keep yourself well hydrated all the time; drink liquids at regular intervals. Increase intake according to activity (exercise, outdoor, etc.)

  • Avoid carbonated soft drinks like colas, sodas, etc.
  • Avoid hard water (water with high mineral content)
  • Fresh citrus juices (particularly orange) without added sugar may have some stone preventing properties; beware of sweetened products.


Dietary fads with innumerable do’s and dont ‘s are common parlance, many of which have not been adequately studied. The diet for stone patient is that of moderation; there are no absolute do’s and dont’s .The following precautions may help you formulate a diet plan

  • Avoid excessively high amount of protein, particularly animal protein
  • Take fruits, vegetables and salad every day
  • Restrict salt intake; a practical way is to avoid sprinkling salt on fruits and salads, minimize fast food and use low sodium salt
  • Restrict refined sugar intake (e.g. glucose, sucrose, fructose)
  • Restrict excessive consumption of fat; there is some evidence that consumption of fish oil ( containing eicosapentaenoic acid) reduces the risk of occurrence of stones.
  • Keep a check on your weight by exercise and diet regulation; restriction on sugar and fat will help.
  • Take adequate portion of milk/milk products which are rich source of calcium in your diet. Both excess and deficiency of milk / milk products (e.g. curd, yoghurt and cottage cheese) are detrimental in terms of stone recurrence. These are best taken with meals; calcium in milk decreases absorption of stone forming oxalate in diet.
  • Avoid excessive consumption of oxalate rich food items ; you don’t have to avoid completely. Some examples are – blackberries, strawberries, plum, spinach, rhubarb, okra, beet greens, chocolate, cocoa, tomato etc.

    Your doctor may ask you to eat more of some foods and to cut back on other foods. For example, if you have a uric acid stone, your doctor may ask you to eat less meat, because meat breaks down to make uric acid. If you are prone to forming calcium oxalate stones, you may need to limit foods that are high in oxalate. These foods include rhubarb, beets, spinach, and chocolate.

    Your doctor may prescribe medicines to prevent calcium and uric acid stones. The therapy your doctor gives you depends on the type of stone you have. For example, a medicine that helps prevent calcium stones will not work if you have a struvite stone. The diet changes that help prevent uric acid stones may not work to prevent calcium stones. Therefore, careful analysis of the stone will help guide your treatment.